A. Sahaq, A. Yahya, R. Permadani, S. Asyifa, and A. Alfiana, “Evaluation of the Stability of the Anaerobic Digestion Process of POME Based on the Correlation of VFA, Alkalinity and Methane Content”, MOTIVECTION, vol. 8, no. 1, pp. 23-34, Mar. 2026.