Chatcharat, Phrakhun Photisungworakru, and Chao Athikan Boonchuay Chotivungso. 2020. “The Vision of The Educational Administrators in the Dutiyapapanika Sutra of The Pariyattidhamma School General Education Sakon Nakhon Province”. Dhammathas Academic Journal 20 (3):61-70. https://so06.tci-thaijo.org/index.php/dhammathas/article/view/227301.