Z. Sa`adah, A. Abdussakir, and E. Susanti, “Ecotheology Problem Based Learning Innovation Cultivates Student Mathematical Connection Skills: Inovasi Pembelajaran Berbasis Masalah Terintegrasi Ekoteologi Menumbuhkan Kemampuan Koneksi Matematis Siswa”, ijins, vol. 27, no. 4, p. 10.21070/ijins.v27i4.2283, Sep. 2026.