Fitri Yani Lubis, Ali Mukti Tanjung, and Didin Muhafidin. “The Influence of Competency Development and Performance on the Professionalism of Civil Servants (ASN) in the Padang Lawas Regency Government”. TOFEDU: The Future of Education Journal, vol. 4, no. 1, Jan. 2025, pp. 347-55, doi:10.61445/tofedu.v4i1.442.