Saengpun J. MULTIPLICATIVE DISCOURSE FOR MAKING PATTERNS IN MULTIPLICATION TABLE IN AN OPEN APPROACH CLASSROOM TEACHING: A SEMIOTIC ANALYSIS. JEI [internet]. 2020 Jun. 23 [cited 2026 Sep. 12];22(3):1-11. available from: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/116303