บุญชาโด จ., พิริยสิงห์ ร. and เกียรติเจริญ ผ.ด. 2017. Taxpayers’ Satisfaction with Tax Collection Services of Tambon Khumuang Administrative Organization in Muang Suang District, Roi Et Province. Academic Journal of Mahamakut Buddhist University Roi Et Campus. 7, 1 (Sep. 2017), 154–165.