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Ronald G. Ehrenberg

janssen pharmaceuticals

64H指数
512论文数
1.5W被引数
收录论文 8
发表时间
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Does class size matter
err2001-11-01
err27
PREAI
errEhrenberg, RG; Brewer, DJ; Gamoran, A; Willms, JD
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SCHOOL-DISTRICT LEAVE POLICIES, TEACHER ABSENTEEISM, AND STUDENT-ACHIEVEMENT
err1991-01-01
err114
errOAAI
errEHRENBERG, RG; EHRENBERG, RA; REES, DI; EHRENBERG, EL
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