00000nam a2200000 a 4500 20251203091211.0 512.55 WIL Williams K. R. _ Triples Vedic Mathematics Roorkee group 1985 185 p. 22 cm. PB Triples _ 36749 C 33625 33625 0 0 0 0 PU PU 2070-01-04 0 512.55 WIL 36749 BK