TY - BOOK AU - Alemayehu, Kiros Embaye TI - Investigation on Effects of Roasting Temperature and Roasting Time on Caffeine Content in Coffee Using Optical Method AV - ALE 2007 PY - 2007/// CY - Masters thesis PB - Addis Ababa University UR - http://thesisbank.jhia.ac.ke/4617/ ER -