A. J. SINGHRAVINDER SINGH2020-01-242020-01-241993http://krishikosh.egranth.ac.in/handle/1/581014195326042017_0002_0030_003171.pdf26042017_0002_0030_Abstract.pdfENGLISHECONOMIC ANALYSIS OF MULTIPLE CROPPING SYSTEM IN PUNJABThesis