"December 1989."--P.i.Cover title.Includes bibliographical references (p. 58-63).Mode of access: Internet
"April 1990."Cover title.Includes bibliographical references.Mode of access: Internet
"July 1990."Cover title.Includes bibliographical references.Mode of access: Internet
On cover: A special report.At head of title: Report to the Servicio Cooperativo Inter-Americano de P...
Title from cover."March 1988"--P. iii.Bibliography: p. 20.Mode of access: Internet
"September 1987"--P. ii.Title from cover.Bibliography: p. 20-22.Mode of access: Internet
Cover title."September 1990"--P.i.Includes bibliographical references.Mode of access: Internet
"September 1990"--P. [2] cover.Cover title.Includes bibliographical references (p. 11).Mode of acces...
"March 1994"--P. iii.Cover title.Includes bibliographical references (p. 19-23).Mode of access: Inte...
"October 1994"--P. [2] of cover.Cover title.Includes bibliographical references (p. 18).Mode of acce...
Cover title."August 1987"--P. ii.Bibliography: p. 25-27.Mode of access: Internet
Cover title."August 1989"--P. iii.Includes bibliographical references (p. 21-23).Mode of access: Int...
Cover title."June 1989."--P. iii.Includes bibliographical references.Mode of access: Internet
"January 1990"--P. iii.Cover title.Includes bibliographical references (p. 16).Mode of access: Inter...
Cover title."September 1990"--P. iii.Includes bibliographical references (p. 24-26).Mode of access: ...
Cover title."March 1989."--P. iii.Includes bibliographical references (p. 19-20).Mode of access: Int...
"April 1990."Cover title.Includes bibliographical references.Mode of access: Internet
"July 1990."Cover title.Includes bibliographical references.Mode of access: Internet
On cover: A special report.At head of title: Report to the Servicio Cooperativo Inter-Americano de P...
Title from cover."March 1988"--P. iii.Bibliography: p. 20.Mode of access: Internet
"September 1987"--P. ii.Title from cover.Bibliography: p. 20-22.Mode of access: Internet
Cover title."September 1990"--P.i.Includes bibliographical references.Mode of access: Internet
"September 1990"--P. [2] cover.Cover title.Includes bibliographical references (p. 11).Mode of acces...
"March 1994"--P. iii.Cover title.Includes bibliographical references (p. 19-23).Mode of access: Inte...
"October 1994"--P. [2] of cover.Cover title.Includes bibliographical references (p. 18).Mode of acce...
Cover title."August 1987"--P. ii.Bibliography: p. 25-27.Mode of access: Internet
Cover title."August 1989"--P. iii.Includes bibliographical references (p. 21-23).Mode of access: Int...
Cover title."June 1989."--P. iii.Includes bibliographical references.Mode of access: Internet
"January 1990"--P. iii.Cover title.Includes bibliographical references (p. 16).Mode of access: Inter...
Cover title."September 1990"--P. iii.Includes bibliographical references (p. 24-26).Mode of access: ...
Cover title."March 1989."--P. iii.Includes bibliographical references (p. 19-20).Mode of access: Int...
"April 1990."Cover title.Includes bibliographical references.Mode of access: Internet
"July 1990."Cover title.Includes bibliographical references.Mode of access: Internet
On cover: A special report.At head of title: Report to the Servicio Cooperativo Inter-Americano de P...