Pichart Uparanukraw. n.d. Identification and characterization of proteolytic enzymes in gnathostoma spinigerum. Chiang Mai:Chiang Mai University;
Pichart Uparanukraw. (n.d.) Identification and characterization of proteolytic enzymes in gnathostoma spinigerum (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.
Pichart Uparanukraw. Identification and characterization of proteolytic enzymes in gnathostoma spinigerum. Chiang Mai:Chiang Mai University, n.d.
Pichart Uparanukraw. (n.d.) Identification and characterization of proteolytic enzymes in gnathostoma spinigerum (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.