แสงสิน น, รอบรู้ อ. PROBLEM-BASED LEARNING MANAGEMENT APPLYING MULTIMEDIA LESSON FOR COMPUTER CLASS OF GRADE 8 STUDENTS AT NONGPLAMORPITTAYAKOM SCHOOL, BAN PONG DISTRICT, RATCHABURI PROVINCE. Res Comm Soc Dev J [internet]. 2019 Jan. 1 [cited 2026 Sep. 12];13(1):167-7. available from: https://so04.tci-thaijo.org/index.php/NRRU/article/view/185806