PORIM technology - Institut Penyelidikan Minyak Kelapa Sawit Malaysia (Kuala Lumpur : Institut Penyelidikan Minyak Kelapa Sawit Malaysia (PORIM), 1984)
no.9. The practice of frying - no.10. Hydrogenation - no.11. Citric acid in the processing of oils and fats - no.12. The density of oils in the liquid state (with special reference to palm oil) - no.13. Fertiliser recommendations for oil palm in Peninsular Malaysia (first approximation) - no.14. Characteristics and uses of Malaysian palm kernel cake.
Bahan telah dijilid lengkap dalam satu buku bagi terbitan no.9 (1984) sehingga no.14 (1989).