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"What is the Purpose of Fasting" by John Piper [youtube]
"Growing Down: A Growing Appetite" 9/8/13 podcast [Vox Church]
“A Hunger for God” by John Piper [book]
“A Celebration of Discipline – Chapter 4: Fasting” by Richard Foster [book]
“Fasting” by Jentezen Franklin [book]
"Shaping History Through Prayer and Fasting" by Derek Prince [book]