Oktaviani RD, Widyantoro A. The effectiveness of edmodo and schoology in descriptive writing for Universitas Muhammadiyah Yogyakarta students. lingtera [Internet]. 2021 May 20 [cited 2025 Jun. 11];8(1). Available from: https://jurnal.uny.ac.id/index.php/ljtp/article/view/11361