Vol. 23 No. 02 (2022): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)

EKSAKTA: Berkala Ilmiah Bidang MIPA

• The Determination of Cation Exchange Capacity of Napa Soil in 50 Kota Regency using Atomic Absorption Spectrophotometer

  Mawardi Mawardi, Fadhlurrahman Mawardi, Illyas Md Isa, Sunyono Sunyono, Hary Sanjaya, Ilham Ardatul Putra, Vira Nilmania, Irfan Ananda Ismail

  64-77

  • pdf

• Leaf Epidermal Comparison of Phasey Bean (Macroptilium lathyroides) and Siratro (Macroptilium atropurpureum)

  I Made Saka Wijaya, Eniek Kriswiyanti

  78-87

  • pdf

• Comparison of Portfolio Mean-Variance Method with the Mean-Variance-Skewness-Kurtosis Method in Indonesia Stocks

  Dina Agustina, Devni Prima Sari, Rara Sandhy Winanda, Muhammad Rashif Hilmi, Dina Fakhriyana

  88-97

  • pdf

• University Students' Procrastination: A Mathematical Model (Case Studies: Student in Mathematics Department Universitas Negeri Padang)

  Rara Sandhy Winanda, Akira Mikail, Defri Ahmad, Dina Agustina, Rahmawati Rahmawati

  98-105

  • pdf

• Study of Inflation using Stationary Test with Augmented Dickey Fuller & Phillips-Peron Unit Root Test (Case in Bukittinggi City Inflation for 2014-2019)

  Afnita Roza, Evony Silvino Violita, Sherly Aktivani

  106-116

  • pdf

• 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)

  Diana Sylvi, Daimon Syukri, Fachrur Rozi, Devi Purnama Sari

  117-132

  • pdf

• Artificial Intelligence in Teacher Soft-Skill Development: A Review of Educational Initiatives in West Sumatra

  Rahadian Zainul, Dony Novaliendry, Budhi Oktavia, Fitrah Mey Harmi Siregar, Maiti Faddila, Hidayatul Husna, Delsya Helvira Suci

  508-520

  • pdf