Ouiphonthong W, Chaowachai S. FACTORS AFFECTING THE CULTURE OF INNOVATION IN SCHOOLS UNDER THE PHETCHABUN PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1. JRIS [internet]. 2026 May 19 [cited 2026 Sep. 22];3(3):31-52. available from: https://so17.tci-thaijo.org/index.php/JRIS/article/view/1532