Encyclopedia of educational reserach / Harold E. Mitzel
Ensiklopedi Pendidikan / Soegarda Poerbakawatja
Encyclopaedia of psychology of education, vol 1-2 / Editor: Paul Monroe
Encyclopaedia of Educational Tecnology (Volume 1) : Challenges of Educational Technology / Mujibul Hasan Siddiqui
Encyclopaedia of Educational Technology (Volume 2) : Tecnology in Teacher Education / Mujibul Hasan Siddiqui
Encyclopaedia of Educational Technology (Volume 3) : Technology in Higher Education / Mujibul Hasan Siddiqui
Encyclopaedia of Educational Technology (Volume 4) : Distance Learning Technologies in Education / Mujibul Hasan Siddiqui