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Hoffman, Paul Gray n. 1891, and Paul Gray n. 1891 Hoffman. One Hundred Countries, One and One Quarter Billion People: How to Speed Their Economy Growth-and Ours-in the 1960s. Washington: Albert D and Mary Lasker Foundation, 1960.

Hoffman, Paul Gray n. 1891, and Paul Gray n. 1891 Hoffman. One Hundred Countries, One and One Quarter Billion People: How to Speed Their Economy Growth-and Ours-in the 1960s. Washington: Albert D and Mary Lasker Foundation, 1960.