EFFICIENCY OF POUl TRY PRODUCTION SYSTEMS PERFORMANCE UNDER EGYPTIAN CONDITIONS

USING SAMPLING TECHNIQUE LIVESTOCK STATISTICS IN GOVERNORATES

USING SAMPLING TECHNIQUE FOR ESTIMATING CATILE NEEDS FORM BARSEEM

FORMS OF PRESENT AND FUTURE INSTITUTIONAL AND ORGANIZATIONAL RELATIONS BETWEEN AGRICULTURAL EXTENSION SECTOR AND AGRICULTURAL RESEARCH SECTOR FROM THE RESEARCHERS' POINT OF VIEW

THE PRODUCTIVITY EFFICIENY OF THE MOST IMPORTANT CROPS THROUGH DETECTING THE AMOUNT OF COSTS ON THE LONG RUN