Nugraha AW, Suparno O, Indrasti NS, Hoerudin H. Free Ammonia Deliming: Effect of Tartaric Acid Addition as a Deliming Agent on The Quality of Wet Blue and Wastewater. Trop. Anim. Sci. J. 2020;43(2):176-182. doi:10.5398/tasj.2020.43.2.176