“Effect of Tamarind Seeds on the Reduction of BOD and TSS of Tofu Factory Liquid Waste ”. Gema Lingkungan Kesehatan 23, no. 1 (January 31, 2025): 131–135. Accessed February 11, 2026. https://gelinkes.poltekkes-surabaya.ac.id/index.php/gelinkes/article/view/181.