Wongsala, Papitchaya, Monthicha Ruksil, and Nopparat Songserm. 2021. “Effectiveness of the Well-Being Promotion Program for the Pre-School Children in the Pre-School Children Development Center of the Mahachanachai Sub-District Administration Organization, Mahachanachai District, Yasothon Province”. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University 16 (3):121-36. https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/250247.