01139cam a2200349 a 4500 OSt 20210804180206.0 140822s1998 mx ado ab 000 0 spa d 9701018990 (pbk.) : Donación EVLG spa rda ost PCCI H62 .H462 1998 300.72 H557m 1998 Hernández Sampieri, Roberto. author Metodología de la investigación / Roberto Hernández Sampieri, Carlos Fernández Collado, Pilar Baptista Lucio. Segunda edición México : McGraw-Hill, c1998. xl, 501 p. : ill. ; 27 cm. rdacontent txt text rdamedia n unmediated rdacarrier nc volume Includes bibliographical references (p. 476-481) and index. Research. Social sciences Research. Social sciences Research Methodology. xxpc119jvm xxpc814mh Fernández Collado, Carlos. Baptista Lucio, Pilar. 1563407 lcc 6 296575 296575 0 0 lcc 0 0 12 12 20 2021-08-04 0 H62 .H46 1998 50000003273561 2021-08-04 00:00:00 c. 1 2021-08-04 6