Multi stage anaerobic reactor for wastewater treatment - Rafidah Shahperi, 1984-, author 343593; Mohd. Fadhil Md. Din supervisor 283389; Shreeshivadasan Chelliapan supervisor 542025; Fakulti Kejuruteraan. Sekolah Kejuruteraan Awam 619085 (Johor Bahru, Johor : Universiti Teknologi Malaysia, 2021)