Yazar
e suyapa silvia
2 cilt bulundu.
Cilt sonuçları
School-based drug prevention programs
E. Suyapa Silvia · Office of Educational Research and Improvement, Educational Resources Information Center
Sayfa sayısı yok · 1997
Drug abuse / Longitudinal studies / Study and teaching (Secondary) / Study and teaching (Elementary) / Prevention
Impacts of a violence prevention program for middle schools
E. Suyapa Silvia, John Rice · National Center for Education Evaluation and Regional Assistance, Institute of Education Sciences, U.S. Dept. of Education
106 sayfa · 2010
School violence / Middle school education / Prevention