http://repository.uhamka.ac.id/id/eprint/11207/
KONSEP DASAR IPA 1
Wati Sukmawati, Wati
http://repository.uhamka.ac.id/id/eprint/11207/1/Bahan%20Ajar%20Konsep%20Dasar%20IPA%201_compressed%20%281%29-compressed.pdf
Fans Buya Hamka
http://repository.uhamka.ac.id/id/eprint/11207/
KONSEP DASAR IPA 1
Wati Sukmawati, Wati
http://repository.uhamka.ac.id/id/eprint/11207/1/Bahan%20Ajar%20Konsep%20Dasar%20IPA%201_compressed%20%281%29-compressed.pdf