ทองวัตรภัสราพร, and กิจธีระวุฒิวงษ์นิทรา. “Factors Predicting Physical Activity Behaviors Among Grade 4-6 Students in Nongkula Sub-District, Bang Rakam District, Phitsanulok Provinc”. Nursing Journal of The Ministry of Public Health 29, no. 2 (August 31, 2019): 24-36. Accessed August 12, 2020. https://he02.tci-thaijo.org/index.php/tnaph/article/view/213519.