The Case for Mixed-Age Groupings in Early Education (1989) L. Katz, D. Evangelou and J.A. Hartman
CEA Research Study on the Multi-grade Classroom The Multi-grade Classroom: Myth and Reality A Canadian Study (1994) J. Gajadharsingh
An Ageless Approach: Why Multiage Classrooms Should Replace Fixed Grade Levels (2007) M. Nichol
Mixed and Non-Graded Classes in Early Childhood (1992) L. Katz
Marine Corps base elementary follows 21st century model of group learning (2016) K. Davis