1. Impact of harvest combines on labour-use, crop pattern, and productivity
پدیدآورنده : H. Laxminarayan ... ]et al.[; with a foreword by Sukhamoy Chakravarty
کتابخانه: Central library and information center (Khorasan Razavi)
موضوع : ، Combines )Agricultural machinery( - India,، Farm mechanization - India,Yields ، Grain - India,، Agricultural laborers - India,، Cropping systems - India
رده :
S
695
.
I46
1981
