W. . Chanwichit and P. . Saenpuran, “THE CONCEPT AND THE ECONOMY’S ROLE OF PHRA DHAMMAVISUDHIMONGKOL (BUA ÑĀṆASAMPANNO) IN THAI SOCIETYFROM B.E. 2540-2544 ”, JSBA, vol. 5, no. 5, pp. 315–327, May 2020.