00840nam a2200277Ia 4500 61172 BIBL 20160527191205.0 860528s1983 mx a 001 0 spa d 9682414644 (OCoLC)13650231 TXP TXP PUED 378.1794 H4201m Heredia Ancona, Bertha. 109958 Local Manual para la elaboración de material didáctico Bertha Heredia Ancona. 1a ed. México Núcleo Editorial 1987. 176 p. ill. 23 cm. Index. Bibliography: p. 171. Teaching Aids and devices. 177322 Local Education, Higher 44383 LEMB Individualized instruction 114380 Local Open plan schools 145193 Local 46858 46858 0 0 0 378_179400000000000_H542M 0 evl 138031 10 10 1 2016-05-27 87944 0 378.1794 H542m 80000000200843 2016-05-27 00:00:00 r:61172 z:NCC:D 6