Verlag Lippe VerlagEnver Roshi × Introduction to Health Sciences, Public Health, and Health Promotion Hyrje në Shkencat e Shëndetit, Shëndetin Publik, d Enver RoshiLippe VerlagSoftcover2004 Basic Principles and Methods of Epidemiologie Inquiry Parimet dhe Metodat Baze te Kerkimit Epidemiologjik Enver RoshiLippe VerlagSoftcover2004