Mort, P.R.
Principles of school administration by P.R. Mort and D.H. Ross - 2nd ed. - New York McGraw-Hill 1957 - 451p.
School management and organization
P400 M84p/57
Principles of school administration by P.R. Mort and D.H. Ross - 2nd ed. - New York McGraw-Hill 1957 - 451p.
School management and organization
P400 M84p/57