TY - BOOK AU - Duke,Keith E. ED - Stanford Research Institute. TI - Development of tourism in the Commonwealth of Puerto Rico PY - 1968/// CY - South Pasadena, Calif. PB - Stanford Research Institute KW - Tourist trade KW - Puerto Rico KW - Local KW - Economic conditions N1 - Vol. 2-7 by K.E. Duke et al; "SRI project no. I-6466."; Report of research study conducted by Stanford Research Institute; Includes bibliographical references ER -