au.\*:("ACKER SR")
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TURNING AROUND TURNOVERACKER SR.1981; DM, DATA MANAGE; ISSN 0148-5431; USA; DA. 1981; VOL. 19; NO 3; PP. 44-56; 4 P.; BIBL. 3 REF.Article
CHILDREN'S PERCEPTIONS OF CHANGES IN SIZE OF TELEVISED IMAGESACKER SR; TIEMENS RK.1981; HUM. COMMUN. RES.; ISSN 0360-3989; USA; DA. 1981; VOL. 7; NO 4; PP. 340-346; BIBL. 11 REF.Article
CONTENT VALIDITY REVISITED: THE DEVELOPMENT OF A CONTENT-ORIENTED TEST OF INDUSTRIAL READING.SCHOENFELDT LF; SCHOENFELDT BB; ACKER SR et al.1976; J. APPL. PSYCHOL.; U.S.A.; DA. 1976; VOL. 61; NO 5; PP. 581-588; BIBL. 13 REF.Article