Yusuf, M., et al. “Synthetic Gene-Based Heterologous Expression, Proteolytic, and Structural Characterization of Caseinolytic Protease of Lactobacillus Plantarum IIA-1A5”. Tropical Animal Science Journal, vol. 44, no. 4, Nov. 2021, pp. 520-3, https://doi.org/10.5398/tasj.2021.44.4.520.