00389nam a2200133Ia 450000500170000000800410001702000180005808200180007610000240009424500510011826000380016930000100020770000380021720260205064241.0260111s9999||||xx |||||||||||||| ||und||  a9788131530856  a001.42  T741R  aTrochim, William M. 0aResearch Methods: The essential knowledge base  aNew DelhibCengage Learningc2016  a422p.  aDonneiiy, James P./Arora, Kanika/