Krisana Pootakham. 1988. Quantitative analysis of active ingredients in different parts of datura metal L. var. fastuosa safford cultivated in different conditions and harvesting times. Chiang Mai:Chiang Mai University;
Krisana Pootakham. (1988) Quantitative analysis of active ingredients in different parts of datura metal L. var. fastuosa safford cultivated in different conditions and harvesting times (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.
Krisana Pootakham. Quantitative analysis of active ingredients in different parts of datura metal L. var. fastuosa safford cultivated in different conditions and harvesting times. Chiang Mai:Chiang Mai University, 1988.
Krisana Pootakham. (1988) Quantitative analysis of active ingredients in different parts of datura metal L. var. fastuosa safford cultivated in different conditions and harvesting times (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.