Öngören, Bülent. “Sosyal Hizmetin Dünyadaki Tarihsel Gelişimi”. Sosyal Hizmete Giriş, by Halim Toğa et al., edited by İshak Aydemir and Meral Öztürk, Academician Publishing Book DOI Portal, 2024, pp. 19-38, https://doi.org/10.37609/akya.3262.c9433.