Author(s): Tursina Tursina,

Date: Jun 12, 2016

Publisher: Universitas Tanjungpura, Universitas Tanjungpura

Date: Jun 09, 2016

Publisher: Universitas Tanjungpura, Universitas Tanjungpura

Date: Jun 07, 2016

Publisher: Universitas Tanjungpura, Universitas Tanjungpura