Farmers guide on tube-wells and pumps /
Khepar, S.D.
Farmers guide on tube-wells and pumps / Khepar, S.D. - Ludhiana : Punjab agricultural university, 1996. - 60 p. ; 20 cm.
Farmers
631.3 / KHE
Farmers guide on tube-wells and pumps / Khepar, S.D. - Ludhiana : Punjab agricultural university, 1996. - 60 p. ; 20 cm.
Farmers
631.3 / KHE