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- [2] NO FRONTIER TO LEARNING - THE MEXICAN STUDENT IN THE UNITED-STATES - BEALS,RL, HUMPHREY,ND ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1957, 314 (NOV): : 197 - 197
- [3] NO FRONTIER TO LEARNING - THE MEXICAN STUDENT IN THE UNITED-STATES - BEALS,RL, HUMPHREY,ND JOURNAL OF HIGHER EDUCATION, 1958, 29 (05): : 288 - 289
- [8] FRONTIER TO LEARNING - BEALS,RL, HUMPHREY,ND PEABODY JOURNAL OF EDUCATION, 1958, 36 (03): : 185 - 185