TY - BOOK AU - Patten,Mildred L. AU - Newhart,Michelle TI - Understanding research methods : : an overview of the essentials U1 - 001.42 PY - 2018/// CY - New York, NY PB - Routledge, KW - Generalities KW - Research KW - Research methods KW - Scientific method KW - Methodology N1 - كتاب اليوم كانون الثاني 2019 ER -