Lukman, Zulfiqar, et al. “Application of Lactic Acid Bacteria to Produce Bioactive Compounds from Tofu Waste Using Pineapple Bromelain Enzyme”. HAYATI Journal of Biosciences, vol. 33, no. 2, Jan. 2026, pp. 445-54, https://doi.org/10.4308/hjb.33.2.445-454.