2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/126362This report shows the latest results on the study of the method to determine the angle phi_3 of the unitarity triangle using Dalitz plot analysis of D^0 decay from B->DK process in a model-independent way. We concentrate on the case with a limited charm data sample, which will be available from the CLEO-c collaboration in the nearest future, with the main goal to find the optimal strategy for phi_3 extraction.Proceedings of the CKM2006 workshop, Nagoya, JapanHigh Energy Physics - Phenomenologytext