https://goelancer.com/question/e-jurnal-universitas-buddhi-dharma-5/
http://knowledge.Thinkingstorm.com/UserProfile/tabid/57/userId/2356034/Default.aspx
http://aanline.com/eng/board/bbs/board.php?bo_table=free&wr_id=339328
https://openstudio.site/index.php?mid=board_ziAC48&document_srl=483768
https://www.89U89.com/index.php?page=user&action=pub_profile&id=193400&item_type=active&per_page=16
- ASKA BBS -