Population education /
Sanchez, Custodiosa.
Population education / Custodiosa Sanchez. - Manila : National Book Store, c1983. - 181p. : ill. ; 20 cm.
Includes bibliographical references and index.
Population education.
Population education / Custodiosa Sanchez. - Manila : National Book Store, c1983. - 181p. : ill. ; 20 cm.
Includes bibliographical references and index.
Population education.