00860nam a2200241Ia 4500 240487 BIBL 20160527183923.0 921215m19901988sp a b 00110 spa buc92001196 8471123452 spa eng QA11 .O7718 1990 510.71 O78l E Orton, Anthony. Local 145920 Didáctica de las matemáticas Anthony Orton ; traducción de Guillermo Solana. Madrid Ministerio de Educación y Ciencia Ediciones Morata 1990. 222 p. ill. Educacion Infantil y Primaria Local 90361 Translation of: Learning mathematics. Issues, theory, and classroom practice. Includes bibliographical references and index. Mathematics Study and teaching. Local 132758 174469 174469 0 0 lc 0 QA_11_000000000000000__O7718_1990 0 mbl 40822 12 12 20 2016-05-27 inter book 24.95 203870 0 QA11 .O7718 1990 50000001903631 2016-05-27 00:00:00 1990 r:240487 z:NCC:D 6