Yoong, Soo May, Hasrul Hosshan, Shyielathy Arumugam, Alya Qasdina Ng Ai Lee, Shiau Ching Lau, and Parthiban Govindasamy. 2022. “Validity and Reliability of Needs Analysis Questionnaire for Dyscalculia Instrument”. South Asian Journal of Social Sciences and Humanities 3 (3): 111-24. https://doi.org/10.48165/sajssh.2022.3307.