Cardenas, Virginia R. Revitalizing the Philippine agricultural extension system : proposed pluralistic national agricultural extension policy and program framework / Virginia R. Cardenas. - Los Banos, Laguna : SEAMEO, SEARCA, c2005. - ix, 67 p. : ill. ISBN: 9715601154 Subjects--Topical Terms: Agricultural extension work--Philippines.Agricultural extension work--Government policy--Philippines.