TY - JOUR PY - 2021/09/30 Y2 - 2024/03/29 TI - TABLE OF CONTENT JF - ADRRI Journal of Physical and Natural Sciences JA - ADRRIJPNS VL - 4 IS - 2 (4) July -September SE - DO - 10.55058/adrrijpns.v4i2 (4) July -September.688 UR - https://journals.adrri.org/index.php/adrrijpns/article/view/688 SP - AB - <p>Effects of Artisanal Gold-mining on Crop Production System in Tangandougou Commune, Mali by Mahamadou Moussa Keita and George Morara Ogendi……….1-10</p><p><br>Easy Way of Teaching Balancing of Chemical Equations at the Junior, and Senior High Schools and Colleges of Education, Using Activity-Based Approach by Salifu Abdallah et al.,………………………………………………………………………….11-29</p><p><br>An integrated supply chain inventory model for imperfect quality items when procurement cost is linked with trade credit policies by Manavi Gilotra1, Vinti Dhaka and Supriya……………………………………………………………………………...30-40</p> ER -