Wibowo, A. P., and V. Febrinda. “The Use of Learning Logs Strategy in Improving Students’ Ability in Writing Expository Paragraph”. Lectura : Jurnal Pendidikan, Vol. 10, no. 2, Aug. 2019, pp. 198-11, https://journal.unilak.ac.id/index.php/lectura/article/view/3167.