@unpublished{HEC984,
           month = {["lib/utils:month\verb1_1984" not defined]},
           title = {AGRO-ECONOMIC STUDIES ON DEFFERENT RICE-BASED CROPPING SYSTEMS AT CONVENTIONAL \& ZERO TILLAGE},
          school = {University of Agriculture, Faisalabad},
          author = {Muhammad Shahid Ibni Zamir},
            year = {2006},
        keywords = {rice-based cropping systems, cropping systems, tillage, wheat, rice, berseem, mungbean, gram, sunflower, lentil},
             url = {http://eprints.hec.gov.pk/984/},
        abstract = {No Abstract}
}