Author(s): Sarpiati Sarpiati,

Date: Feb 19, 2019

Publisher: Fakultas Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Author(s): Fathony Fathony,

Date: Feb 19, 2019

Publisher: Fakultas Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai