Soedjatmiko, Wuri, and Johanes Leonardi Taloko. “Teaching Writing Using Electronic Portfolio in the Multimedia Lab at Widya Mandala Surabaya Catholic University”. TEFLIN Journal 14, no. 2 (August 1, 2003): 264–278. Accessed July 3, 2024. https://journal.teflin.org/index.php/journal/article/view/202.