titita deelack, เจริญวิชญ์ สมพงษ์ธรรม. Study of learning outcomes of Science and Technology Department Organ System in our body unit for Mathayomsuksa 2 by using a series of activities in Quality Elementary Science Teaching (5Es). JMCTMCU [internet]. 2021 Jun. 25 [cited 2025 Apr. 8];3(5):17-23. available from: https://so02.tci-thaijo.org/index.php/mcupnpbcr/article/view/249939