ISBN: 978-7-04-022193-0 // ISBN: 9787040221930Year of publication: 2007Publisher: Higher Education PressNumber of pages: 179Languages: español, ChineseCountry of origin: China
ISBN: 978-7-04-027623-7 // ISBN: 9787040276237Year of publication: 2009Publisher: Higher Education PressNumber of pages: 164Languages: Spanish, ChineseCountry of origin: China
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