Kokkaewsakul K, Soepyam S. A Study of the Relationship between Learning Motivation and Academic Achievement of ‎Higher Vocational Certificate Students in Industrial Programs under the Suphan Buri ‎Vocational Education Office. JDSC [internet]. 2026 Sep. 23 [cited 2026 Sep. 29];13(3):675-88. available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/301749