1 : http://www.slideshare.net/NASuprawoto/pengembangan-bahan-ajar-presentation
2 : http://bahanajar.com/rpp.htm
3 : http://www.bahanajar.com/
4 : http://bahanajar.com/bse.htm
5 : http://akhmadsudrajat.wordpress.com/2008/01/24/download-pengembangan-bahan-ajar/
6 : http://bandono.web.id/2009/04/02/pengembangan-bahan-ajar.php
7 : http://luk.staff.ugm.ac.id/atur/KTSP-SMK/11.ppt
8...
