Judul asli: Developmental psycholoy: a life-span approach. Bibliografi hlm. 445-447.
Judul asli: What is educational planning?
Judul asli: What is educational planning?
Judul asli: The problem of rural education.
Judul asli: Planing and the educational administrator. Bibliografi hlm. 39.
Judul asli: The problem of rural education.
Judul asli: Parent effectiveness training the tested New Ways to raise responsible children.