Hematulin, Kridsadakorn, Chayarat Boonputtikorn, Athcha Chuenboon, and Phuachat Sukruan. 2024. “The Development of Students’ the Peer-Assisted Learning Management of Vocational Certificate Program in Factory Mechanics at the Banharn - Jamsai Polytechnic College in Suphanburi Province”. Saengtham College Journal 16 (1). Nakhon Phathom, Thailand:106-23. https://so01.tci-thaijo.org/index.php/scj/article/view/270460.