Prasertkulsak, Sirilak, and Chart Chiemchaisri. 2019. “Effect of Hydraulic Retention Time on the Performance of Membrane Bioreactor for Pharmaceutical Compound Removal from Hospital Wastewater”. RMUTSB ACADEMIC JOURNAL 7 (1). Phra Nakorn Sri Ayutthaya:126-41. https://li01.tci-thaijo.org/index.php/rmutsb-sci/article/view/151132.