00311nam a2200097Ia 4500008004100000082002200041100003300063245008100096260002800177300000800205140113s9999    xx            000 0 und d  a632.9:582.28   P7  a"Singh, B.B. & Amaradeep,A."  aInstructional technology & multimedia production for agricultural scientists  a2007bAgrotechcUdaipur  a224