na INLIS000000000006037 0010-1021000871 Assessment of the Effects of El Nino Phenomenon in philippine Agriculture Aida R. Librero [et al] Los Banos Laguna : Socio - Economics Research Division 1999 XIII, 117p; ill; 23 cm 631.9 631.9 AGRICULTURE EL NINO PHENOMENOS PHILIPPINE. 5419