Sukarno, Sukarno, Ari Purnawan, and Megan Jinabe. “Evaluating English Coursebooks for Indonesian Vocational Schools: A SQRAR-Based Material Analysis in the EFL Context”. Jurnal Pendidikan Vokasi 15, no. 1 (December 24, 2025). Accessed December 25, 2025. https://journal.uny.ac.id/index.php/jpv/article/view/83240.