แร่วงค์คต ป, ชมภูวิเศษ พ, สุราช ม. THE DEVELOPMENT OF DESIRABLE CHARACTERISTICS OF BEING SPIRITED TEST FOR SIXTH GRADE STUDENTS UNDER NONGBUALAMPHU PRIMARY EDUCATIONAL SERVICE AREA OFFICE 2. Pitchayatat [Internet]. 2021 Apr. 5 [cited 2024 Apr. 20];16(1):111-20. Available from: https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/246012