mohammad efendi. (2017). The Effectiveness of the Pictorial Book to Improve the Understanding of Deaf Students About Nature and Environment in Elementary School. Jurusan Pendidikan Luar Biasa, Fakultas Ilmu Pendidikan, Universitas Negeri Malang.
Chicago Style (17th ed.) Citationmohammad efendi. The Effectiveness of the Pictorial Book to Improve the Understanding of Deaf Students About Nature and Environment in Elementary School. Jurusan Pendidikan Luar Biasa, Fakultas Ilmu Pendidikan, Universitas Negeri Malang, 2017.
MLA (9th ed.) Citationmohammad efendi. The Effectiveness of the Pictorial Book to Improve the Understanding of Deaf Students About Nature and Environment in Elementary School. Jurusan Pendidikan Luar Biasa, Fakultas Ilmu Pendidikan, Universitas Negeri Malang, 2017.