Cohort analysis /

Glenn, Norval D.

Cohort analysis / Norval D. Glenn. - Newbury Park, Calif. : Sage, 1977. - 72 p. ; 22 cm. - Sage University Papers Series. 5. .

Bibliografia: p. 70.72.

0-8039-0794-X

HA29 / G55

Con tecnología Koha