LIGADU, V. J. ., & SHAK, P. . (2025). EXPLORING THE EFFECTIVENESS OF SELF-ASSESSMENT ON MALAYSIAN UPPER SECONDARY ESL STUDENTS’ SPEAKING PERFORMANCE. MANU Jurnal Pusat Penataran Ilmu Dan Bahasa (PPIB), 36(2), 100–132. https://doi.org/10.51200/manu.v36i2.7084