Journal Description

Eksakta : Berkala Ilmiah Bidang MIPA  is an open access journal and peer-reviewed that publishes either original article or reviews. The journal is dedicated towards dissemination of knowledge related to the advancement in scientific research. The prestigious interdisciplinary editorial board reflects the diversity of subjects covered in this journal. Under the realm of science and technology, the coverage includes environmental science, pure and applied mathematics, agricultural research and engineering, biology, biotechnology, bioinformatics, Healthcare sciences (including clinical medicine, preventive medicine & public health), physics, biophysics, computer science, chemistry and bioengineering, to name a few. This Journal Is Published at 6 Month intervals On April and October

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Information For Eksakta Volume 21 No 2

May 5, 2020

All Dear Authors, we will receive articles, reviews and research report in all scope (natural science and mathematics) and applied science for next issue, Volume 21 No 2, 2020. We will publish in the issue at 30 October 2020.

Best regards,


Dr. Rahadian Zainul,

Editor In Chief


Information For The Next Edition

May 1, 2019

Dear Author,

Since 2019, Eksakta Berkala Ilmiah Bidang MIPA  were indexed by SINTA (Kemenristekdikti) with Level 4 (SINTA 4). After that, for the Next Edition, Eksakta will make three issue every year. First, Issue 1 (No 1) willl published 30 April. Secondly, Issue 2 (No 1) will published every 30 Oktober.  

Best Regards,


Dr Rahadian Zainul

Chief Editor 

Vol 21 No 1 (2020): Eksakta : Berkala Ilmiah Bidang MIPA

Published: Apr 30, 2020

The Effect of Ethanol Solvent Concentration on Antimicrobial Activities The Extract of Andalas Endophytic Bacteria (Morus Macroura Miq.) Fermentation Product

1-6 Larasati Arum Utami, Dwi Hilda Putri

Convergence Analysis from the Solution of Riccati’s Fractional Differential Equation by Using Polynomial Least Squares Method

7-14 Dian Nuryani, Endang Rusyaman, Betty Subartini

The Use of Peanut’s Shells and Sawdust Absorbents for Reduced Iron (Fe) Levels of Dug Well Water Puspitaloka Residence Housing at Tanjungpinang City in 2019

15-23 Juliana Juliana, Hevi Horiza, Rinaldi Daswito

A Solution of Nonlinear Boundary Value Problem of System With Rectangular Coefficients

24-28 Badrulfalah Badrulfalah, Iis Irianingsih, Khafsah Joebaedi

Study the Effect of pH on the Fermentation Anaerobic-Aerobic Siwalan (Borassus flabellifer L.) Sap to Produce Acetic Acid

29-35 Elly Agustiani, Destri Susilaningrum, Atiqa Rahmawati, Fibrillian Z.L., Dimas L.R.

Comparison of Serum HIF-1α Levels in Swimming Athletes Before and After Hypoxic Non-Hypoxic Exercise

36-39 Syahrastani Syahrastani, Argantos Argantos, Siska Alicia Farma

Interest Rate in Pension Plan Premium Calculation

40-45 Khafsah Joebaedi, Kankan Parmikanti, Agus Supriatna, Fauzi Akhmad, Badrulfalah Badrulfalah, Nendi Suhendi Syafei

The Similarity Measurement of Human DNA Profile Using Fuzzy Similarity

46-53 Meira Parma Dewi, Nurtami Soedarsono

Generalized Poisson Regression Type-II at Jambi City Health Office

54-58 Corry Sormin, Gusmanely Z, Nurhidayah Nurhidayah

Multivariate Analysis on The Determinants of Work Fatigue Factors for Nurses Inpatient Care at RSUD Arifin Achmad Hospital Pekanbaru

59-69 Devi Purnama Sari, Tjipto Suwandi, Endang Purnawati Rahayu
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