TY - JOUR AU - Ghazi, Shokoofeh AU - pouya, Mahsa AU - توکمه چی, امیر TI - Isolation and screening of pectinase producing Aspergillus niger and use of ‎whey to optimize enzyme production JO - News of microbial biotechnology (knowledge of microbiology) VL - 1 IS - 1 SP - EP - PY - DO - ER -