TY - JOUR TI - Learning disabilities, educational principles and practices JF - Journal of Communication Disorders DO - 10.1016/0021-9924(70)90024-9 DA - 1970-11-01 UR - https://www.deepdyve.com/lp/crossref/learning-disabilities-educational-principles-and-practices-XcbULc0ctN SP - 233 EP - 234 VL - 3 IS - 3 DP - DeepDyve ER -