Mr.Abd-allah Helmi Abd-Elghani, postgraduate student at the Agricultural economics. Department, will hold a seminar on   “An Economical Study for the Production cost of the main food crops in Egypt”   under supervision of 1- Prof. Yahya Ali Hussein 2- Prof . Salah Ali Saleh   on 12:00 o’clock, wednesday, 23/4/2014 at the seminar hall