00382nam a2200133 a 450000500170000000800410001702000150005804100080007308200110008110000190009224500630011126400430017430000310021720260717091426.0260717s1991    ii            000 0 eng d  a8170243866  aeng04a370.781 aSwaroop, S. N.10aTraining aids: how best you can use them /cSwaroop, S. N. 1aNew Delhi :bAshish Pub. House,c1991.  avii, 57 p. : ill. ; 22 cm.