H. Wahyudi, T. Andrian, D. Wiryawan, S. M. Leny, and W. R. Lestari, “The Competitiveness of the Indonesian Medium High Technology Sector: Robust Least Squares and Fully Modified Ordinary Least Squares Approach”, IRMM, vol. 15, no. 2, pp. 51–59, Feb. 2025.