Jaap Ketelaar and Sarah Hay books & textbook
Worth Keeping: Global Perspectives on Best Practice in Missionary Retention
Rob Hay Valerie Lim Detlef Blöcher Jaap Ketelaar and Sarah Hay
William Carey Library Publishers and World Evangelical Alliance /2007-01-01 Paperback / 422 Pages
isbn-10: 0878085157 / isbn-13: 9780878085156
