experiencias activas INEDA, Universidad Metropolitana text pr San Juan, P.R Universidad Metropolitana, Instituto de Educación Ambiental 1992 Ed. rev. monographic spa specialized Includes bibliographical references (p. 195-197 ). Environmental education Curricula Puerto Rico Education, Secondary Curricula Puerto Rico Environmental education Study and teaching (Secondary) Curricula Puerto Rico Human ecology Study and teaching (Secondary) Puerto Rico EVLG 100219 20200305100122.0 295228 spa