Agricultural Science Digest, volume 27 issue 3 (september 2007) :
STUDIES ON FARMERS’ PATTERN OF EMPLOYMENT OF HUMAN LABOUR IN RICE-WHEAT CROPPING SYSTEM IN HARYANA
Labh Singh, R.S. Pannu, Mangat Ram, C.P. Mehla, Ishwar Singh
1CCS Haryana Agricultural University, College of Agriculture, Kaul (Kaithal) - 136 021, India