Cadangan Meningkatkan Kualiti Air Sungai Melaka dan Parit Sungai Kuah Langkawi, Menggunakan Kaedah Eco Bio-Blok "EBB", Di Langkawi, Kedah Darul Aman, Final Report - Volume II - Technical Report - Perunding Aidid, 2--- - Various paging,illust,30cm eng Subjects--Topical Terms: Consultant StudyKualiti Air