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Allen, David, 1945- (Nombre personal)
Blueprints--building educational programs for people who care for children, c1982 (a.e.) t.p. (David Allen)
Phone call to author 3-24-83 (David O. Allen; b. 5-12-1945)
Blueprints--building educational programs for people who care for children, c1982 (a.e.) t.p. (David Allen)
Phone call to author 3-24-83 (David O. Allen; b. 5-12-1945)