00840nam a2200253Ia 4500 133906 BIBL 20160527192610.0 930323m1977 ag a b 0011 spa d buc93000363 spa fre BUCG 160 P581e BC135 .P64618 1977 Piaget, Jean, LEMB 8279 Ensayo de lógica operatoria Jean Piaget ; traducción por María Rosa Morales de Spagnolo. Buenos Aires Editorial Guadalupe c1977. 441 p. 23 cm. Biblioteca Pedagogica v. 43 Local 61907 Translation of : Essai de logique opératoire. Includes bibliographical references and index. Piaget, Jean, 1896-1980. LEMB 8279 Logic Local 127225 113075 113075 0 0 lc 0 BC_135_000000000000000__P64618_1977 0 mbl 181308 12 12 20 2016-05-27 Perrone 13.00 203297 0 BC135 .P64618 1977 50000001845287 2016-05-27 00:00:00 r:133906 z:NCC:D 6 0 0 0 160_000000000000000_P579E_E 0 abl 181313 1 1 17 2016-05-27 213155 0 160 P579e E mq213155 2016-05-27 00:00:00 r:133906 z:NCC:D 6 0 0 0 160_000000000000000_P579E 0 evl 181318 10 10 1 2016-05-27 94890 9 160 P579e 80000000343684 2019-11-26 00:00:00 2019-11-21 r:133906 z:NCC:D 6