P. Acharya, “રાષ્ટ્રીય વિજ્ઞાન દિનની ઉજવણી”, vp, vol. 46, no. 1, pp. 56–59, Mar. 2008, Accessed: Jul. 04, 2026. [Online]. Available: https://journal.gujaratvidyapith.org/index.php/vp/article/view/255