Bhrammaputra วนิดา. “GROUP TEACHING TECHNIQUE ON KHIM INSTRUMENT FOR PRIMARY SCHOOL STUDENTS”. Fine Arts Journal: Srinakharinwirot University 25, no. 1 (June 25, 2021): 103–118. Accessed May 25, 2022. https://so01.tci-thaijo.org/index.php/jfofa/article/view/242380.