S. Riswanti, M. G. Ahmad, and S. N. Hapsari, “Nilai Sosial dalam Novel Dua Garis Biru Karya Lucia Priandarini: Social Values in the Novel "Dua Garis Biru" by Lucia Priandarini”, Jubasan, vol. 5, no. 1, pp. 73-84, Apr. 2021.