Unkong, Thidawan, Patcharida Lamnaknet, and Alistra Onaud. 2024. “Home School Guidelines for Fundamental Education, Case Study: Chiang Rai Province, Thailand”. Rajapark Journal 18 (58). Bangkok, Thailand:258-76. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/270376.