Vol. 2 No. 2 (2017): October

(1) Siliwangi University, Indonesia ,

(2) siliwangi university

(1) Universitas Muhammadiyah Sidoarjo, Indonesia ,

(2) Universitas Muhammadiyah Sidoarjo, Indonesia

(1) Siliwangi University, Indonesia

(1) Karawang Singaperbangsa University

(1) Universitas Galuh Ciamis, Indonesia ,

(2) Universitas Galuh Ciamis, Indonesia

(1) Widya Gama Mahakam Samarinda University, Indonesia

(1) University of Dhaka, Bangladesh

(1) Universitas Katolik De La Salle Manado, Indonesia

(1) Mulawarman University, Indonesia ,

(2) Universitas Muhammadiyah Kalimantan Timur, Indonesia

(1) Universitas Muhammadiyah Pare-pare, Indonesia ,

(2) Universitas Muhammadiyah Parepare, Indonesia ,

(3) SMP Negeri 6 Parepare, Indonesia

(1) IKIP PGRI Bojonegoro, Indonesia ,

(2) IKIP PGRI Bojonegoro, Indonesia