Sharma,B L, & Bhardwaj,Palak. (1993). Perspective on agro-ecological problems: A geographical study in environmental impact assessment. Daya Publishing.
Dyfyniad Arddull ChicagoSharma,B L, and Bhardwaj,Palak. Perspective on Agro-ecological Problems: A Geographical Study in Environmental Impact Assessment. Delhi: Daya Publishing, 1993.
Dyfyniad MLASharma,B L, and Bhardwaj,Palak. Perspective on Agro-ecological Problems: A Geographical Study in Environmental Impact Assessment. Daya Publishing, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.