Yunarwan, Rensa Arnas, Shanti Larissa, Rohmad Taufiqi, and Rachmad Ramadhan Yogaswara. 2023. “Optimization of Neutralize Crude Gypsum (NCG) Quality through Flash Dryer Utilization at Plant IIIA PT. Petrokimia Gresik”. International Journal of Eco-Innovation in Science and Engineering (IJEISE) 4 (1). https://doi.org/10.33005/ijeise.v4i1.115.