Khunchai S, Thongchaisuratkrul C. DEVELOPMENT OF PROJECT BASED LEARNING CENTER INSTRUCTIONAL PACKAGE: A CASE STUDY OF SMART HOME SYSTEM. JEI [internet]. 2023 Aug. 24 [cited 2025 Dec. 6];25(4):327-39. available from: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/248600