Slum upgrading and participation : lessons from Latin America / Ivo Imparto, Jeff Ruster ; [forew. by President Oscar Arias]. - Washington : World Bank, [2003]. - xxii, 489 p. : ill. ; 23 cm.см.. - (Directions in development). - ბიბლიოგრ.: გვ. 479-489. - ISBN 0-8213-5370-5[MFN: 3746]
Costa Rica : a traveler's literary companion / ed. by Barbara Ras ; forew. by Oscar Arias. - Berkeley : Whereabouts Press, 1994. - xvii, 238 p. ; 18 cm.см.. - ISBN 1-883513-00-6[MFN: 39687]
Content: Believe it or not / Carmen Naranjo; The girl who came from the moon / Jose Leon Sanchez; Bucho Vargas, Healer and medicine man / Mario Gonzalez Feo; The lizard with the white belly / Yolanda Oreamuno; The chumico tree / Rima de Vallbona; The targua tree / Fabian Dobles; The adventure / Samuel Rovinski; Monday / Fernando Duran Ayanegui; Faust in Hatillo / Alfonso Chase [et al.]