div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=portada-55cc1279799f9htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Portada loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentscoreader036viewer202207180055cc1276bb61ebf21c8b457fhtml5thumbnails1jpg width=140 height=200 divpDarling Beatriz Zun LancerioUniversidad Mariano Gálvezp p1-1-2015p p…p pMETODOLOGÍAp pDEINVESTIGACIÓNp pLApdiv