[1]
U. J. Agvaantseren and P. S. Hoon, “An Analysis of Educational Patents of Innovation For Formal Education”, IJSBAR, vol. 10, no. 1, pp. 52–62, Oct. 2013, Accessed: Dec. 29, 2025. [Online]. Available: https://gssrr.org/JournalOfBasicAndApplied/article/view/1143