TY - BOOK AU - Waleed Helmy Abdelhafeez AU - Amr Kamel , AU - Osman Hegazy , TI - Requirements engineering in agile environment / PY - 2013/// CY - Cairo : PB - Waleed Helmy Abdelhafeez , KW - Agile environment KW - Gathering KW - Requirements engineerin N1 - Thesis (Ph.D.) - Cairo University - Faculty of Computers and Information - Department of Information System; Issued also as CD N2 - Gathering, understanding and managing requirements is a ley factor to the success of a software development effort. The conventional approach to the requirements engineering process focuses on gathering all the requirements and prepring the requirements specification document up front before proceeding to the design phase ER -