La Ode Sahidin, Marwati, and Wahyuni Widya Safitri, “Perjuangan dan Idealisme Pendidikan Tokoh Desi Istiqomah dalam Novel Guru Aini Karya Andrea Hirata: Kajian Sosiologi Sastra: The Struggle and Educational Idealism of Desi Istiqomah in the Novel Guru Aini by Andrea Hirata: A Sociology of Literature Study”, BASTRA, vol. 11, no. 3, pp. 1397–1404, May 2026.