Tshering, K. ., D. Wangchuk, D. B. . Mongar, and K. . Dema. “Enhancing the Conceptual Comprehension of Astronomy for Grade Seventh Students Using Multimedia”. Bhutan Journal of Research and Development, vol. 13, no. 1, June 2024, doi:10.17102/bjrd.rub.13.1.001.