EVALUATION OF THE EFFICIENCY OF CHITOSAN PRODUCED FROM THE STALKS OF AGARICUS BISPORUS BROWN AS AN ANTIFUNGAL AGAINST ASPERGILLUS FLAVUS AND REDUCING AFLATOXIN B1 : EVALUATION OF THE EFFICIENCY OF CHITOSAN PRODUCED FROM THE STALKS OF AGARICUS BISPORUS BROWN AS AN ANTIFUNGAL AGAINST ASPERGILLUS FLAVUS AND REDUCING AFLATOXIN B1 . IJMRCP 2024, 16 (1), 266-275. https://doi.org/10.28936/10.28936/(1)jmracpc11.2.2019.