Vithaya Kulsomboon. 1989. A study on the relationship between level of drug cooperative activities and knowledge, attitude and behavior of villagers in self medication treatment in Soongnern district, Nakornrajsima. Faculty of Graduate Studies, Mahidol University;
Vithaya Kulsomboon. (1989) A study on the relationship between level of drug cooperative activities and knowledge, attitude and behavior of villagers in self medication treatment in Soongnern district, Nakornrajsima . Mahidol University/Bangkok.
Vithaya Kulsomboon. A study on the relationship between level of drug cooperative activities and knowledge, attitude and behavior of villagers in self medication treatment in Soongnern district, Nakornrajsima. . Bangkok:Mahidol University, 1989.
Vithaya Kulsomboon. (1989) A study on the relationship between level of drug cooperative activities and knowledge, attitude and behavior of villagers in self medication treatment in Soongnern district, Nakornrajsima . Mahidol University/Bangkok.