Toxicity of Decolorized Batik Wastewater on Common Carp Using Combination of Chitosan and Spent Mushroom Substrate. Gema Lingkung Kesehatan [Internet]. 2025 Jan. 31 [cited 2025 Dec. 10];23(1):191-6. Available from: https://gelinkes.poltekkes-surabaya.ac.id/index.php/gelinkes/article/view/138