Mogi, A. C. and Sinadia, A. R. (2023) “The Development of an English Achievement Test at a Private Senior High School in Manado”, SUMIKOLAH: Jurnal Ilmu Pendidikan, 1(2), pp. 1–14. Available at: https://nurturagrow.site/index.php/sumikolah/article/view/960 (Accessed: 10November2025).