Hydrological procedure
Ministry of Agriculture and Fisheries
Bahagian Parit dan Taliair
contributors, M. A. W. Taylor and Toh Yuan Kiat
Drainage and Irrigation Division, Ministry of Agriculture, Malaysia 1980 Hydrological procedure no. 11
Available at 1 libraries
contributors, M. A. W. Taylor & Goh Kiam Seng
Drainage and Irrigation Division, Ministry of Agriculture, Malaysia 1980 Hydrological procedure no. 12
contributors, T.D. Heiler and Chew Hai Hong
Ministry of Agriculture and Fisheries, Malaysia 1974 Hydrological procedure no. 4