Dr. Vandana Nigam. 2018. “Impact Of Temperature And Ph On Degradation Of Poultry Feather Wastes Throuh Keratinolytic Fungi”. International Journal of Advanced Research in Multidisciplinary Sciences EISSN 2581-8996 1 (2):239-44. https://journal.ijarms.org/index.php/ijarms/article/view/305.