Agustina, Ria Kamilah, and Maskhurin Fajarina. “Vocabulary Self Collection Strategy to Increase Vocabulary Mastery”. Jurnal Pendidikan dan Konseling (JPDK) 5, no. 2 (March 7, 2023): 214–218. Accessed April 29, 2024. http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/12669.