Somsak Ruchirawat,Somsak Ruchirawat..[et al.]. 2002. The syntheses and reactions of various alkaloids and oxygen heterocycles and studies of some Thai medicinal plants. Bangkok:Department of Chemistry Mahidol University;

Somsak Ruchirawat,Somsak Ruchirawat..[et al.]. The syntheses and reactions of various alkaloids and oxygen heterocycles and studies of some Thai medicinal plants. Bangkok:Department of Chemistry Mahidol University, 2002. Print.

Somsak Ruchirawat,Somsak Ruchirawat..[et al.]. (2002) The syntheses and reactions of various alkaloids and oxygen heterocycles and studies of some Thai medicinal plants. Department of Chemistry Mahidol University:Bangkok.