ทองวัตรภ. and กิจธีระวุฒิวงษ์น. (2019) “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(2), pp. 24-36. Available at: https://he02.tci-thaijo.org/index.php/tnaph/article/view/213519 (Accessed: 12August2020).