Lowitz, L., & Datta, R. (2004). Sacred Sanskrit Words: For Yoga, Chant, and Meditation. Stone Bridge Press, Inc.; see Tapas or tapasya in Sanskrit means, the conditioning of the body through the proper kinds and amounts of diet, rest, bodily training, meditation, etc., to bring it to the greatest possible state of creative power. It involves practicing the art of controlling materialistic desires to attain moksha.Yoga, Meditation on Om, Tapas, and Turiya in the principal Upanishadsنسخة محفوظة 2013-09-08 على موقع واي باك مشين., Chicago
A. B. Keith[لغات أخرى] (1914), The Veda of the Black Yajus School Entitled Taittiriya Saihitd, 2 vols., Harvard University Press; Also: H. Oldenberg (1964), The Grihya Sutras, Sacred Books of the East, 2 vols., Motilal Banarsidass, Delhi; see 1.7.25.1, 7.1.1.28
yogiphilosophy.com
Lowitz, L., & Datta, R. (2004). Sacred Sanskrit Words: For Yoga, Chant, and Meditation. Stone Bridge Press, Inc.; see Tapas or tapasya in Sanskrit means, the conditioning of the body through the proper kinds and amounts of diet, rest, bodily training, meditation, etc., to bring it to the greatest possible state of creative power. It involves practicing the art of controlling materialistic desires to attain moksha.Yoga, Meditation on Om, Tapas, and Turiya in the principal Upanishadsنسخة محفوظة 2013-09-08 على موقع واي باك مشين., Chicago