Social and economic characteristics of farmers received land allotment (STK) and the study on cost and return of cash crops and fast growing trees : a case study at Kwae Rabom-Seeyad National Reserved Forest Amphoe Sanam Chaikhet, Chacheongsao province
The study of antibody level by hemagglutination inhibition test to dengue hemorrhagic fever in Thai children aged under fifteen years at Burirum Province