div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=introduccion-a-la-filosofia-y-tecnica-del-dr-ronald-rothhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Introducción a la Filosofía y Técnica del Dr Ronald Roth loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer202204250855ae5d401a28abd60e8b4755html5thumbnails1jpg width=140 height=200 divdiv