00436nam a2200145 a 4500020002700000020003000027082001200057100001300069245002200082260003900104300001300143650001400156650001400170856010600184  a8121917808 (paperback)  a9788121917803 (paperback)  a526.9DE1 aDe, Alak10aPlane Surveying /  a[S.l.] :bS Chand & Co Ltd,c2013.  a680 p. ;  aSurveying  aLevelling40uhttps://books.google.com.pk/books?id=DtTasAdjrcIC&dq=plane+surveying+by+alak+de&source=gbs_navlinks_s