It's aLL aBouT u : Oktober 2013

Kamis, 24 Oktober 2013

http://drw.politekniktelkom.ac.id/Bebas/Bachelor%20Degree/Ekonomi%20Teknik/DIKTAT%20EKONOMI%20TEKNIK.doc

http://irfanramadhan4.wordpress.com/2011/10/03/konsep-dasar-ekonomi-teknik/

http://www.citeulike.org/user/puslit/article/4852096