TY - JOUR AU - Aggeliki Voudouri AU - George Dimakos TI - A Stochastic Multiplicative Model in Assessment of Training Programs JO - Μαθηματική Επιθεώρηση PY - 1993 SP - 133 EP - 144 VL - 40 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MR_1993__40_a9/ LA - gr ID - MR_1993__40_a9 ER -