TY - BOOK AU - Trochim,William M.K. AU - Donnelly,James P. AU - Arora,Kanika TI - Research methods: the essential knowledge base SN - 9781133954774 U1 - 001.42 PY - 2016///] CY - Boston, MA PB - Cengage Learning KW - Research KW - Methodology N1 - Includes bibliographical references and index ER -