Characteristics of a good elementary science program, 160 - 03 - 01 - LD1017 .C8182 1983 M43, Volume: Archives LD1017 .C8182 1983 M43 pt. A; Volume: Archives LD1017 .C8182 1983 M43 pt. B; Volume: Archives LD1017 .C8182 1983b M43 pt. A; Volume: Archives LD1017 .C8182 1983b M43 pt. B. Clarion University Archives. http://buoy1.klnpa.org/repositories/2/resources/653 Accessed April 28, 2025.