Pratiwi, Tintia, 		Irawan, Eka, AND 		Sari, Lusia.
" Optimasi Konsentrasi Kitosan dan Lama Pengadukan dalam Preparasi Microspheres Metformin Hidroklorida (Optimization of Chitosan Consentration and Stirring Time on Preparation of Metformin Hydrochloride Microspheres)" <em>Pustaka Kesehatan</em> [Online], Volume 3 Number 3 (8 September 2015)