Bozdağ, Şerife Nur, and Feyza Esra Erdoğan. 2022. “On $f$-Biharmonic and Bi-$f$-Harmonic Frenet Legendre Curves”. International Journal of Maps in Mathematics 5 (2):112-38. http://www.journalmim.com/index.php/journalMIM/article/view/95.