Intan Kumalasari. “Designing a Web Based Application to Memorize Korean Vocabulary Using Flashcards”. Riau Jurnal Teknik Informatika 4, no. 1 (March 31, 2025): 108 – 113 . Accessed December 17, 2025. https://ojs-staging.upp.ac.id/index.php/rjti/article/view/3268.