TY - JOUR AU - ejssd journal PY - 2021/02/22 Y2 - 2024/03/28 TI - Proceeding of the First International Confrence (September 6-8, 2012) JF - Ethiopian Journal of Science and Sustainable Development JA - EJSSD VL - 0 IS - 0 SE - Articles DO - 10.20372/ejssdastu:v0.i0.0.365 UR - https://ejssd.astu.edu.et/index.php/EJSSD/article/view/365 AB - Proceeding of the First International Confrence (September 6-8, 2012) ER -