http://repository.uhamka.ac.id/id/eprint/10244/
Iba, Khairil
http://repository.uhamka.ac.id/id/eprint/10244/1/STATISTIK%204B.pdf
Kumpulan Jurnal Farmasi
http://repository.uhamka.ac.id/id/eprint/10244/
Iba, Khairil
http://repository.uhamka.ac.id/id/eprint/10244/1/STATISTIK%204B.pdf