La population selon sexe et âge, natalité, mortalité
By: par H. Wiesler.
Contributors: Niger. Service de la statistique.
Publisher: Service de la statistique
Published: 1973
Place of publication: Niamey
Language: fre
Number of pages: 24
Subjects: Fertility, Human -- Niger.; Mortality -- Niger.; Niger -- Population.
Notes: Cover title.
"Août 1973."