Tjong, A.L. and Wicaksono, Y.B.C. 2023. A Theological Study of the First, Third, Sixth, and Ninth Hour Prayers in the Eastern Orthodox Church Tradition. Theological Journal Kerugma. 8, 2 (Nov. 2023), 195–204. DOI:https://doi.org/10.33856/kerugma.v8i2.534.