Pimpeach, W., W. Patthanaissaranukool, C. Polprasert, S. Polprasert, S. Mahasandana, and B. Panyapinyopol. “Optimization and Kinetic Study of Phosphorus Dissolution from Primary Settled-Nightsoil Sludge: 10.32526/Ennrj/21/202200213”. Environment and Natural Resources Journal, vol. 21, no. 2, Jan. 2023, pp. 102-1, https://ph02.tci-thaijo.org/index.php/ennrj/article/view/248379.