Issue
Vol. 23 No. 02 (2022): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
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EKSAKTA: Berkala Ilmiah Bidang MIPA
April-June 2022
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EKSAKTA: Berkala Ilmiah Bidang MIPA 7
The Determination of Cation Exchange Capacity of Napa Soil in 50 Kota Regency using Atomic Absorption Spectrophotometer
This research discuss about the cation exchange capacity of napa soil by using an atomic absorption spectrophotometer. The results is a value of the cation exchange capacity (CEC) and to review the differences of...Mawardi Mawardi
,
Fadhlurrahman Mawardi
,
Illyas Md Isa
,
Sunyono Sunyono
,
Hary Sanjaya
,
Ilham Ardatul Putra
,
Vira Nilmania
,
Irfan Ananda Ismail
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EKSAKTA: Berkala Ilmiah Bidang MIPA 7
Leaf Epidermal Comparison of Phasey Bean (Macroptilium lathyroides) and Siratro (Macroptilium atropurpureum)
Phasey bean ( Macroptilium lathyroides ) and siratro ( Macroptilium atropurpureum ) are introduced legumes that become a common species in pastureland. The nutritional content of these legumes has been explored, but...I Made Saka Wijaya
,
Eniek Kriswiyanti
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EKSAKTA: Berkala Ilmiah Bidang MIPA 7
Comparison of Portfolio Mean-Variance Method with the Mean-Variance-Skewness-Kurtosis Method in Indonesia Stocks
In this paper, we compare the optimal portfolio weight of mean-variance (MV) method with mean-variance-skewness-kurtosis (MVSK) method. MV is a method to get weight on a portfolio. This method can be developed into...Dina Agustina
,
Devni Prima Sari
,
Rara Sandhy Winanda
,
Muhammad Rashif Hilmi
,
Dina Fakhriyana
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EKSAKTA: Berkala Ilmiah Bidang MIPA 7
University Students' Procrastination: A Mathematical Model (Case Studies: Student in Mathematics Department Universitas Negeri Padang)
Mathematical modeling of procrastination was carried out on students in the Mathematics Department at Universitas Negeri Padang. Procrastination is the tendency to delay work and can be contagious among students....Rara Sandhy Winanda
,
Akira Mikail
,
Defri Ahmad
,
Dina Agustina
,
Rahmawati Rahmawati
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EKSAKTA: Berkala Ilmiah Bidang MIPA 7
Study of Inflation using Stationary Test with Augmented Dickey Fuller & Phillips-Peron Unit Root Test (Case in Bukittinggi City Inflation for 2014-2019)
This classical regression model is designed to handle the relationship between stationary variables and should not be applied to non-stationary series. A time series data is said to be stationary if the mean,...Afnita Roza
,
Evony Silvino Violita
,
Sherly Aktivani
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EKSAKTA: Berkala Ilmiah Bidang MIPA 7
Physicochemical Properties of Herbal Tea Bags from Belimbing Wuluh Leaves (Averrhoa bilimbi) and Gotu Kola Leaves (Centella asiatica) with the Addition of Cinnamon Powder (Cinnamomun burmanii)
This study aims to study the characteristics of herbal teabags from belimbing wuluh leaves and gotu kola leaves with the addition of cinnamon powder. This study used a completely randomized design with 5 treatments,...Diana Sylvi
,
Daimon Syukri
,
Fachrur Rozi
,
Devi Purnama Sari
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EKSAKTA: Berkala Ilmiah Bidang MIPA 7
Artificial Intelligence in Teacher Soft-Skill Development: A Review of Educational Initiatives in West Sumatra
This study examines the application of artificial intelligence (AI) in developing teachers' soft skills in West Sumatra. AI technology plays an important role in supporting the improvement of communication skills,...Rahadian Zainul
,
Dony Novaliendry
,
Budhi Oktavia
,
Fitrah Mey Harmi Siregar
,
Maiti Faddila
,
Hidayatul Husna
,
Delsya Helvira Suci
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Dr. Rahadian Zainul, S.Pd., M.Si.
Scopus ID: 56737195700
Orcid: 0000-0002-3740-3597
Universitas Negeri Padang
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Scopus ID: 56527279100
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King Abdullah University of Science and Technology, Arab Saudi
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Universiti Teknikal Melaka, Malaysia
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Scopus ID: 57190674189
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Institut Pertanian Bogor, Indonesia
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Scopus ID: 6506355194
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Dr. Dedy H.B. Wicaksono, S.T., M.Eng.
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Swiss German University, Indonesia
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Scopus ID: 57966723300
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Universitas Negeri Padang