1.
Subramaniam S, Maat SM, Mahmud MS. Validity and reliability of the needs analysis instrument for the mathematics problem-solving module. CJES [Internet]. 2022 Dec. 31 [cited 2024 Nov. 24];17(12):4518-29. Available from: https://un-pub.eu/ojs/index.php/cjes/article/view/7836