01209cam a2200313 a 4500 331027 331027 15932567 NUST 20180117090030.0 091005s2011 maua b 001 0 eng 2009041843 9780137013449 (pbk.) 0137013442 (pbk.) (OCoLC)ocn456421174 DLC DLC YDX YDXCP DLC LB1028 .C515 2011 370.72 22 Mertler, Craig A. 4422 Introduction to educational research / Craig A. Mertler, C.M. Charles. 7th ed. Boston : Pearson/Allyn & Bacon, c2011. xxvi, 405 p. : ill. ; 28 cm. Includes bibliographical references and indexes. Education Research Methdology. 4423 Charles, C. M. 4424 7 cbc orignew 1 ecip 20 y-gencatlg ddc BK 0 0 ddc 0 0 NFIC CL CL GEN 2017-08-29 2 3 370.72 MER S3H-C-116 2020-03-18 2019-10-09 2019-10-09 2017-08-29 BK