Setchamroen, Aimorn, and Wasana Keeratichamroen. 2023. “A STUDY OF LEARNING ACHIEVEMENT ON BIO-HACKER LEARNING UNITS AND ANALYTICAL THINKING ABILITY OF 4th GRADE ELEMENTARY SCHOOL STUDENTS USING PHENOMENON-BASED LEARNING”. Research Community and Social Development Journal 17 (3). Nakhon Ratchasima, Thailand:194-204. https://doi.org/10.14456/nrru-rdi.2023.45.