FACTORS ASSOCIATED WITH PHYSICAL ACTIVITY AMONG GRADE 4-6 STUDENTS IN NORTHERN THAILAND: Archin Songthap1, Pramote Wongsawat1, Phong-ek Suksai2, Wanitcha Kanthasorn3and Pattama Suphunnakul1. (2020). The Southeast Asian Journal of Tropical Medicine and Public Health, 50(5), 976-983. https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/91