Analysis of information sources in references of the Wikipedia article "Regresi kehidupan lampau" in Indonesian language version.
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tidak memiliki judul (bantuan). The Alchemy of Yoga: Commentaries on the Yoga Sutras of Patanjali. Diamond Pocket Books Ltd. hlm. 129–152. ISBN 8128806696.|chapter-url=
(bantuan) |chapter-url=
tidak memiliki judul (bantuan). Kundalini for Beginners: The Shortest Path to Self-Realization (For Beginners). Llewellyn Publications. hlm. 115–130. ISBN 1-56718-435-9.