Simbolon, Guru Sozuaon P. Emotional Spiritual Journey. - Jakarta: BPK Gunung Mulia, 2021. - xii, 112p. Soft Cover 21 cm. ISBN: 978-602-231-997-9 Subjects--Topical Terms: KUMPULAN RENUNGAN - SPIRITUALITAS LC Class. No.: BV4223 / .S56 2021