Hesham Abd El moneim Farag Abd El hady <br/><br/>
Study of the influence of environmental conditions and technological parameters of tractors workplace on operators productivity and health /  
 دراسة اثر الظروف البيئية والتقنيات المختلفة لحيز العمل بالجرارت الزراعية على انتاجية وصحة العامل 
Hesham Abd El moneim Farag ; Supervised Samy Mohamed Youins , Mohamed Hashim Hatem , Ahamed Abd El khalek Elbehery 
 - Cairo :   Hesham Abd El moneim Farag Abd El hady ,   2003 
 - 143P :   charts ;   30cm 
<br/><br/>Thesis (PH.D.) - Cairo University - Faculty Of Agriculture - Department Of Agricultural Engineering 
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<br/><br/><label>Subjects--Index Terms: </label>Environmental conditions Technological parameters Tractors workplace