00409nam a2200133Ia 4500008004100000040001700041082002300058100001500081245007700096260005000173300001000223650002700233700001500260190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta338.1bA887A  aAtwal, A S 0aAgricultural resources and production strategycA.S. Atwal and H.S. Mavi  aLudhianabPunjab Agriculture Universityc1979  a231p.  aAGRICULTURAL RESOURCES  aMavi, H.S.