Sira N, Sakulthai C, Phunmanee N. A Development Adaptive Content Web – Base Instruction. On : Data Investigation on the Internet for High Vocational Certificate level. STRJ [internet]. 2018 Jun. 11 [cited 2026 Sep. 12];1(1):9-18. available from: https://ph02.tci-thaijo.org/index.php/jstrmu/article/view/245738