00774cam a22002291 4500 pa 57000037 DLC 20260227111854.0 820623s1956 dcu 100 0 spa c pa 57000037 (OCoLC)8544790 Pan American Union OU OU DLC premarc L106 1954 .S3 Inter-American Seminar on Secondary Education (1954-1955 : Santiago, Chile) La educación secundaria en América; memoria. Wáshington, División de Educación, Unión Panamericana, 1955 [i.e. 1956] xivii, 466 p. 22 cm. Seminarios interamericanos de educación Education, Secondary Congresses. Education America. 51346 51346