BIROL, Zehra Nesrin. The Content of Peer Helping Program. European Journal of Social Science Education and Research, London, U.K., v. 1, n. 1, p. 72–79, 2014. DOI: 10.26417/ejser.v1i1.p262-267. Disponível em: https://revistia.com/index.php/ejser/article/view/285. Acesso em: 4 apr. 2025.