An evaluation of cation exchange capacity methods for acid tropical soils

由 Ishak, Cek Fauziah, I., Jamilah, Syed Rastan, Syed Omar
出版 1997

Dissolution of ground basalt and its effect on oxisol chemical properties and cocoa growth

由 Anda, Markus, Jusop, Shamsuddin, Ishak, Cek Fauziah, Syed Rastan, Syed Omar
出版 2009