http://repository.uhamka.ac.id/id/eprint/13455/
Bkd-ipa2-02
Zulherman, Zulherman
http://repository.uhamka.ac.id/id/eprint/13455/1/bkd-ipa-2.pdf
Berisi tentang artikel berhubungan perkembangan teknologi
http://repository.uhamka.ac.id/id/eprint/13455/
Bkd-ipa2-02
Zulherman, Zulherman
http://repository.uhamka.ac.id/id/eprint/13455/1/bkd-ipa-2.pdf