Saiful, N.A.S. and Nor Faizah Razali (2026) “Utilization of Fungal-Derived Chitosan from Flammulina Filiformis (Enoki Mushroom) and Pleurotus Ostreatus (Oyster Mushroom) as a Natural Coagulant in Wastewater Treatment”, Progress in Engineering Application and Technology, 7(1), pp. 653–667. Available at: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/22974 (Accessed: 23 July 2026).