L. Austina and M. A. Setiawan, “Konseling Spiritual Dalam Mengembangkan Disiplin Pekerja Doa Di Sekolah Menengah Guppi Palangka Raya: Spiritual Conselvation In Developing Discipline Of Prayer Workers In Guppi Palangka Raya Middle School”, Suluh J Bimbingan Konseling, vol. 3, no. 1, pp. 16–21, Aug. 2017.