Mayura Phaengkham. 1995. Preparation of high quality powder activated carbon from coconut shell char. Bangkok:Thailand Institute of Scientific and Technology Research;
Mayura Phaengkham. (1995) Preparation of high quality powder activated carbon from coconut shell char (รายงานผลงานวิจัย). Thailand Institute of Scientific and Technology Research:Bangkok.
Mayura Phaengkham. Preparation of high quality powder activated carbon from coconut shell char. Bangkok:Thailand Institute of Scientific and Technology Research, 1995.
Mayura Phaengkham. (1995) Preparation of high quality powder activated carbon from coconut shell char (รายงานผลงานวิจัย). Thailand Institute of Scientific and Technology Research:Bangkok.