[1]
ธวัชวิบูลย์ ธ. and เฉลิมนิรันดร น., “TEACHING SYSTEM OF SANGAD UTRANAN’S ON LEARNING OF MUSIC THEORY OF THE FIRST YEAR AIR MUSIC STUDENTS”, AJPU, vol. 9, no. 2, pp. 208–223, Sep. 2018.