Aneknun S, Chompuwiset P. THE CONSTRUCTION OF THE COMPETENCY TEST TO EXPLAIN PHENOMENA SCIENTIFICALLY FOR MATTHAYOMSUKSA 3 STUDENTS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE NONGKHAI. AJMBU [internet]. 2023 Apr. 11 [cited 2026 Sep. 23];12(1):386-97. available from: https://so01.tci-thaijo.org/index.php/AJMBU/article/view/258139