00286nam a2200109Ia 4500082002500000100001800025245006100043300001400104490002900118490002400147500000500171  a338.109545 B198.GTb  aBalwant Singh  aGeneralised type of farming areas in the Punjab plainsb  a461-466p.  vv.4, no.3 September 1967  aJournal of Research  a