Administration and Supervision of the New Socondary school /
Guiang, Pedro G.
Administration and Supervision of the New Socondary school / Perdo, G. Guinag. - Quezon City, Philippines : R.P. Garcia Publishing Co., c1979.
Administration and Supervision of the New Socondary school / Perdo, G. Guinag. - Quezon City, Philippines : R.P. Garcia Publishing Co., c1979.