R. R. Koireng, “Conceptualising Learning Outcomes in Science at the Upper Primary Stage and its Integration in Classroom Processes”, VTTE, vol. 8, no. 1, pp. p. 119–124, Jul. 2019, Accessed: Aug. 19, 2025. [Online]. Available: http://ejournals.ncert.gov.in/index.php/vtte/article/view/1170