00610nam a2200145Ia 4500001000700000003000500007005001700012008004100029110005100070245016900121260005200290300002500342650004300367650005400410112842BIBL20240725062646.0930331|1968||||pr ||||||||||||0|1||eng|d  aPuerto Rico.bJunta de Planificación.2Local14aThe four-year economic and social development plan of Puerto Ricoc1969-1972, / Prepared by the Planning Board in collaboration with the agencies of the government.0 a[San Juan, P.R.]bOffice of the Governorc1968.  axiv, 241 p.btables. 0aDevelopment planszPuerto Rico.2Local 0aRegional economic developmentzPuertoRico.2Local