Buaphiban, T. (2020) “Investigating Factors That Affect Student Pilot Training Time Duration by Using the Scheduling and Planning Method”, NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY, 16(1), pp. 16–28. available at: https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/240445 (accessed: 13 September 2026).