Author(s): Adi Prasetijo,

Date: Nov 01, 2015

Publisher: Universitas Andalas, Universitas Andalas

Author(s): Rawa - El Amady,

Date: Mar 01, 2015

Publisher: Universitas Andalas, Universitas Andalas

Date: Mar 01, 2015

Publisher: Universitas Andalas, Universitas Andalas