Koprulu Karakas, Gizem, and Bayram Sahin. “Triharmonic Curves Along Riemannian Submersions”. Tamkang Journal of Mathematics 55, no. 1 (March 15, 2023): 25–43. Accessed May 18, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/5066.