V. E. Putra, R. Fadila, D. Lindawati, J. P. Gupitasari, E. A. Andayani, and Y. A. Bekti, “Training Of Eco Enzyme Development As An Alternative Organic Waste Management In Batu City”, Rampai, vol. 6, no. 1, pp. 25–31, Apr. 2022.