Khamtrong, Samornsri. 2021. “ourism oute uidelines of ultural ttractions in angkruai istrict, onthaburi rovince”. ournal of umanities and ocial ciences, ajapruk niversity 7 (2), 96-109. https://so03.tci-thaijo.org/index.php/rpu/article/view/254777.