BOO, WEI SIANG; WAN MOHAMED @ WAN ABD GHANI, Wan Afnizan. Development of Multiple Concentrations of Phosphorus and Ammonium-Nitrogen Calibration Curve Using Laboratory Resistivity Method at Acidic pH Conditions. Recent Trends in Civil Engineering and Built Environment, [S. l.], v. 3, n. 1, p. 374–379, 2021. Disponível em: https://penerbit.uthm.edu.my/periodicals/index.php/rtcebe/article/view/3290. Acesso em: 8 apr. 2026.