SOCIOMETRIC SEMANTIC DIFFERENTIAL ASSESSMENTPOWELL ER.1982; SMALL GROUP BEHAV.; ISSN 0090-5526; USA; DA. 1982; VOL. 13; NO 1; PP. 43-52; BIBL. 10 REF.Article

WORKER AND CALLER VARIETY IN THREE CRISIS CENTERS.POWELL ER.1976; SUICIDE LIFE-THREATENG BEHAV.; U.S.A.; DA. 1976; VOL. 6; NO 4; PP. 202-208; BIBL. 3 REF.Article

HIM CORRELATIONAL STUDY.POWELL ER.1977; SMALL GROUP BEHAV.; U.S.A.; DA. 1977; VOL. 8; NO 3; PP. 369-380; BIBL. 9 REF.Article

SYSTEMATIC OBSERVATION OF CRISIS CENTER TELEPHONE INTERACTIONS = OBSERVATIONS SYSTEMATIQUES DES RELATIONS TELEPHONIQUES DES CENTRES D'AIDE AUX CRISESPOWELL ER; HEATON ME; ASHTON PT et al.1974; LIFE-THREATENG BEHAV.; U.S.A.; DA. 1974; VOL. 4; NO 4; PP. 224-239; BIBL. 13REF.Article

PEER-TUTORING OUTCOMES AS INFLUENCED BY THE EQUITY AND TYPE OF ROLE ASSIGNMENT.ROSEN S; POWELL ER; SCHUBOT DB et al.1977; J. EDUC. PSYCHOL.; U.S.A.; DA. 1977; VOL. 69; NO 3; PP. 244-252; BIBL. 23 REF.Article

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