Time use and change in academic achievement : A longitudinal follow-up

Smith, Thomas Ewin

Time use and change in academic achievement : A longitudinal follow-up - 725-747 - 21, No. 6, 1992

Julio 1993 = JOURNAL OF YOUTH AND ADOLESCENCE

ADMINISTRACION DEL TIEMPO AUMENTO DEL RENDIMIENTO CAMBIO DESARROLLO DEL ADOLESCENTE ESTUDIANTES DE BACHILLERATO ELEMENTAL RENDIMIENTO ACADEMICO