Cojocaru, Stefan. “Strategii de Esantionare Cantitativa in Procesul de Evaluare a Programelor”. Revista de Cercetare si Interventie Sociala 19 (December 31, 2007): 115–127. Accessed November 6, 2026. https://www.rcis.ro/journal/article/view/222-strategii-de-esantionare-cantitativa-in-procesul-de.