รมย์นุกูล พ. A DEVELOPMENT OF MATHEMATICAL PROBLEM SOLVING AND CONNECTION ABILITIES ON THE TOPICS OF MATHEMATICAL APPLICATION OF THE 5th YEAR PRIMARY SCHOOL STUDENTS BY USING FOPS STRATEGY WITH METACOGINITIVE QUESTION. Res Comm Soc Dev J [internet]. 2019 Sep. 1 [cited 2025 Apr. 25];13(3):199-211. available from: https://so04.tci-thaijo.org/index.php/NRRU/article/view/180831