Complex sentence: The central text of Jeung San Do, the Dojeon, was first published in Korean in 1992 which contains detail work of Cheonjigongsa, the Work of Renewal.
Split into simpler sentences: The central text of Jeung San Do, the Dojeon, was first published in Korean in 1992. It contains detail work of Cheonjigongsa, the Work of Renewal.