Longitudinal research /
Menard, Scott
Longitudinal research / by Scott Menard - New Delhi : SAGE Publications India Pvt.Ltd, 1991. - 80p.
300.72 / MEN.L
Longitudinal research / by Scott Menard - New Delhi : SAGE Publications India Pvt.Ltd, 1991. - 80p.
300.72 / MEN.L