Amri, Muhammad Faiz, et al. “Alkaline Phosphatase Activity of Plant Growth-Promoting Actinomycetes and Their Genetic Diversity Based on the PhoD Gene”. HAYATI Journal of Biosciences, vol. 29, no. 3, Mar. 2022, pp. 360-9, https://doi.org/10.4308/hjb.29.3.360-369.