Saputra, Haris
(2013-07-17)
This research is done in PT. GametriTirta Lestari Duri which is located in Jl. DesaHarapan Rt. 02/05 no. 80 kecamatan Mandau Duri-Riau. This research is done from Mei 2012 to March 2012. The purpose of this research is to ...