The Puerto Rican Field Experiment in Population Control (1957)

Etiquetas

Control de la natalidad, Población

By Kurt W. Back, Reuben Hill and J. Mayone Stycos. Reprinted form Human Relations Vol. X, No. 4, 1957.
https://issuu.com/coleccionpuertorriquena/docs/pr_field_experiment_population_control_1957