00419nam a2200157 a 450000500170000008200170001710000190003424500240005326000360007730000230011363000140013696400160015099700110016699900150017795200690019220251202164232.0  a370.194bMAT  aMathai, Ravi J  aRural universityb_  aBombaybPopular Prakashanc1985  a376 p.c24 cm.cHB  aEducation  bcdefg_  a2988 C  c4374d4374  00104070aPUbPUd1998-04-09g150.00l0o370.194 MATp2988yBK