Southville International School and Colleges

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Valera, Jaime B.

An introduction to extension delivery systems / Valera marinez Plopino. - Manila : Island, c1987. - 188 p. : 23 cm.

ISBN: 9711007088

LC Class. No.: S 544 / .V162 1987

Dewey Class. No.: FIL 338.16 / In8 1987