Ulfah, E., A. Muth’im, and E. Febriyanti. “The English Education Students’ Ability In Using Gerund And Infinitive”. LINGUA EDUCATIA, Vol. 3, no. 4, Mar. 2024, pp. 236-48, https://jtam.ulm.ac.id/index.php/gej/article/view/2487.