Wongsatit Chuakul. 1992. Genetic and taxonomic studies for the improvement of high alkaloid-producing progenies in Madagasear periwinkle (Catharanthus roseus (L.) G. Don). Graduate School, Kasetsart University;
Wongsatit Chuakul. (1992) Genetic and taxonomic studies for the improvement of high alkaloid-producing progenies in Madagasear periwinkle (Catharanthus roseus (L.) G. Don) . Kasetsart University/Bangkok.
Wongsatit Chuakul. Genetic and taxonomic studies for the improvement of high alkaloid-producing progenies in Madagasear periwinkle (Catharanthus roseus (L.) G. Don). . Bangkok:Kasetsart University, 1992.
Wongsatit Chuakul. (1992) Genetic and taxonomic studies for the improvement of high alkaloid-producing progenies in Madagasear periwinkle (Catharanthus roseus (L.) G. Don) . Kasetsart University/Bangkok.