Somsak Nualkaew. 1999. Comparison of anthraquinone content and zymogram patterns of isozymes in Cassia species. Graduate Studies, Mahidol University;
Somsak Nualkaew. (1999) Comparison of anthraquinone content and zymogram patterns of isozymes in Cassia species . Mahidol University/Bangkok.
Somsak Nualkaew. Comparison of anthraquinone content and zymogram patterns of isozymes in Cassia species. . Bangkok:Mahidol University, 1999.
Somsak Nualkaew. (1999) Comparison of anthraquinone content and zymogram patterns of isozymes in Cassia species . Mahidol University/Bangkok.