Observations on the effects of rainfall on the pH of pond water in Gelang Patah - Ti, Teow Loon; Rajamanickam, L. D.; Malaysia. Jabatan Perikanan; Malaysia. Kementerian Pertanian. Unit Penerbitan (Kuala Lumpur: Publications Unit, Ministry of Agriculture, 1981)
Keywords: Rain and rainfall -- Johor; Hydrogen-ion concentration; Ponds -- Johor