Lotrean, Lucia Maria, Monica Popa, Edna Arrilo Santillan, și Mira Florea. „Methodological Challenges in Research Regarding the Lifestyle of School Children”. Revista de Cercetare si Interventie Sociala 44 (martie 31, 2014): 321–331. Data accesării noiembrie 6, 2026. https://www.rcis.ro/journal/article/view/1535-methodological-challenges-in-research-regarding-the.