00355nam a2200133 a 450000500170000002000150001708200150003210000220004710000210006924500460009026000410013630000260017763000180020320251202164146.0  a0710007892  a303.4bSTR  aStrasser, Hermann  aRandall, Susan C  aIntroduction to theories of social change  aLondonbRoutledge & Kegan Paulc1981  axi,340 p.b24 cm.cHB  aSocial change