“Integrasi Pendidikan Lingkungan Hidup Melalui Pembelajaran IPS di Sekolah Dasar Sebagai Alternatif Menciptakan Sekolah Hijau: Integration of Environmental Education through Social Studies Learning in Elementary Schools as an Alternative to Creating Green Schools”, pedagogia, vol. 2, no. 1, pp. 98–108, Feb. 2013, doi: 10.21070/pedagogia.v2i1.50.