Vol 9, No 1 (2020)

Table of Contents

Additional Pages

Cover, Editorial Board, Guidance for Authors, & Table of Contents | Vol. 9 No. 1 April 2020
 
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Articles

Antioxidant Activities of the Leaf Extract and Fractions of Dryopteris filix-mas (L.) Schott could be Attributed to The Abundance of Polyphenol Compounds
Earnest Oghenesuvwe Erhirhie, Emmanuel Emeka Ilodigwe, Daniel Lotanna Ajaghaku, Blessing Ogechukwu Umeokoli, Peter Maduabuchi Eze, Festus Basden Chiedu Okoye
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1-6
The Effect of Cassava Peel Starch Addition to Bioplastic Biodegradation Based On Chitosan On Soil and River Water Media
Mahfud Syuhada, Sintia Ainus Sofa, Endaruji Sedyadi
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7-13
A Mathematical Model of the Covid-19 Cases in Indonesia (Under and Without Lockdown Enforcement)
Sugiyanto Sugiyanto, Muchammad Abrori
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15-19
Analysis of Body Posture using Rapid Entire Body Assessment (REBA) and Rapid Upper Limb Assessment (RULA) to Improve the Posture of Sand Paper Machine Operators and Reduce the Risk of Low Back Pain
Trio Yonathan Teja Kusuma
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21-25
The Potential of Chrysin of Oroxylum indicum L. to Induce Carbonic Anhydrase (CA) to Improve Cattle Fertility
Mohamad Amin, Muhammad Najib Fahmi, Muhammad Andi Ali Ridho, Nurul Fitri, Umie Lestari, Dina Maulina, Ihya Fakhrurizal Amin
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27-32
Toxicological Effects of Ethanolic Stem Bark Extract of Xylopia Aethiopica on Testicular Oxidative Stress Markers and Histology of Male Rats
Elias Adikwu, Ben Ehigiator
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33-37
Isolation and Characterization of Sesquiterpenes from Stem Bark of Warburgia ugandensis Sprague
Teshome Gonfa Hordofa
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39-46
Prevalence of Psychoactive Substance Use Among Nigerian Male Commercial Vehicle Drivers Selected from The Three Major Ethnic Groups in Nigeria
Tochukwu Frank Egwuatu, Onyekachi Ogbonnaya Iroanya, Khalid Olajide Adekoya
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47-55