http://repository.uhamka.ac.id/id/eprint/14509/
2.Basicedu
Zulherman, Zulherman
http://repository.uhamka.ac.id/id/eprint/14509/1/2.%20Basicedu%20OK.pdf
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http://repository.uhamka.ac.id/id/eprint/14509/
2.Basicedu
Zulherman, Zulherman
http://repository.uhamka.ac.id/id/eprint/14509/1/2.%20Basicedu%20OK.pdf