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Samanya, kanok- on; Wannupatam, B.; Charoenkiatkan, C. The Effects of Using Phenomenon-based Learning with the R-C-A question technique in the topic of Environment in the Community on Learning Achievement and Problem-solving Ability of Prathomsuksa 3 Students: The Effects of Using Phenomenon-based Learning with the R-C-A question technique in the topic of Environment in the Community on Learning Achievement and Problem-solving Ability of Prathomsuksa 3 Students. rtnb 2023, 5, 458-472.