Komang Indah Sari, Hastini dan Moh. Riswanto (2025) “Improving Students’ Vocabulary through Problem-Based Learning Strategy in Topic of Analytical Exposition Text (A Classroom Action Research at XI Grade of SMA Negeri 3 Palu)”, Jurnal Pendidikan dan Pembelajaran, 4(02), hlm. 1587–1595. Tersedia pada: https://ojs.smkmerahputih.com/index.php/juperan/article/view/1391 (Diakses: 15 November 2025).