P. W. Thasa, P. S. Raisa-nguan, and S. Khetjoi, “The Opinion of the Students to Educational Environment: A Case Study of Wat Srijan School, Nai-muang Sub-district, Muang District, KhonKaen Province”, dhammathas, vol. 19, no. 1, pp. 239–246, Mar. 2019.