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  2. 2

    Variables y cuestionario para realizar encuestas comparadas sobre fecundidad

    Published 1971
    Book
  3. 3

    Manual de codificación

    Published 1968
    Book
  4. 4

    Organization and methods of the dual-report system in Pakistan by Abernathy, James R

    Published 1972
    Book
  5. 5

    Métodos y técnicas de encuesta by Lopez, Valdecir F

    Published 1978
    Book