Keles, A. (2022, December 17). Yarım Kalan Projeler#1: CengBook. Alperen Keles. https://alperenkeles.com/posts/yarim-kalan-projeler1-cengbook/. Archived at https://web.archive.org/web/https://alperenkeles.com/posts/yarim-kalan-projeler1-cengbook/