Phetnadi K, Ongrawannich N. The Development of Learning Achievement on Creative Writng by Using the Synectics Pattertn writh the Workesheet of the First Year Vocational Cerificat Students. jomld [internet]. 2023 Oct. 30 [cited 2025 Apr. 18];8(10):301-14. available from: https://so06.tci-thaijo.org/index.php/jomld/article/view/262911