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Buku Teks
Atwi Suparman
Ditjen Dikti Depdikbud , 1991
Buku Teks
Soleh Solahuddin
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Buku Teks
Darian Texanditama, author
Fakultas Ilmu Komputer Universitas Indonesia, 2022
UI - Skripsi (Membership)
Unesco-Unep International Environment Education Programme. National Institute of Educational Planning and Administration , 1988
Buku Teks