共 50 条
- [43] PERSPECTIVES ON PITFALLS AND HASSLES IN SINGLE-SUBJECT RESEARCH JOURNAL OF THE ASSOCIATION FOR PERSONS WITH SEVERE HANDICAPS, 1988, 13 (03): : 147 - 154
- [49] VERIFYING THE INDEPENDENT VARIABLE IN SINGLE-SUBJECT RESEARCH SOCIAL WORK RESEARCH & ABSTRACTS, 1985, 21 (02): : 3 - 8