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Monografía
monografia Rebiun15730913 https://catalogo.rebiun.org/rebiun/record/Rebiun15730913 070126s1957 fr |||||||||||00| ||eng CBUC 991019562039706706 ES-BaBC. cat. ES-BaBC 37 [BC catàleg antic] Education clearing houses and documentation centres a preliminary international survey Paris Unesco 1957 Paris Paris Unesco 65 p. 27,5 cm 65 p. Educational studies and documents 22 Pedagogia Centres de documentació Educational studies and documents 22