B. Budiman, A. Azainil, H. Haeruddin, L. Komariyah, A. Masruhim, and U. Haryaka, “Achievement-Based School Principal Leadership in Improving the Quality of Education at the Buffer Schools of the Nusantara Capital City (IKN): Achievement-Based School Principal Leadership in Improving the Quality of Education at the Buffer Schools of the Nusantara Capital City (IKN)”, borju. borneo. educational. j., vol. 8, no. 1, pp. 36–53, Jan. 2026.