Philippine Association of Public Secondary School Administrators & Annual Convention of Public Secondary School Administrators (13th : 1968 : Pasig, Rizal and Manila). (1968). Strengthening the implementation of 2-2 plan of the general secondary schools: Proceedings... held at the Rizal High School, Pasig, Rizal, May 20, 24, 25, 1968 and the Torres High School, Tondo, Manila, May 21, 22, 23, 1968. Philippine Association of Public Secondary School Administrators.

Philippine Association of Public Secondary School Administrators agus Rizal and Manila) Annual Convention of Public Secondary School Administrators (13th : 1968 : Pasig. Strengthening the Implementation of 2-2 Plan of the General Secondary Schools: Proceedings... Held at the Rizal High School, Pasig, Rizal, May 20, 24, 25, 1968 and the Torres High School, Tondo, Manila, May 21, 22, 23, 1968. [Manila]: Philippine Association of Public Secondary School Administrators, 1968.

Philippine Association of Public Secondary School Administrators agus Rizal and Manila) Annual Convention of Public Secondary School Administrators (13th : 1968 : Pasig. Strengthening the Implementation of 2-2 Plan of the General Secondary Schools: Proceedings... Held at the Rizal High School, Pasig, Rizal, May 20, 24, 25, 1968 and the Torres High School, Tondo, Manila, May 21, 22, 23, 1968. Philippine Association of Public Secondary School Administrators, 1968.