Phan, T. H., Dao, H. N. ., Ha, N. H. . and Trang, T. M. . (2025) “Some factors affecting innovation activities of enterprises in Nghe An Province, Vietnam”, International Journal of Innovative Research and Scientific Studies, 8(1), pp. 1393–1403. doi: 10.53894/ijirss.v8i1.4636.