Claassen-VliegerPlans for a March 29 wedding in Bellflower Calvary Chapel are being made by Karen Michelle Claassen and her fiance, Donavon Vlieger.Daughter of Mr. and Mrs. F. Claassen of La Palma, the future bride graduated with an AA degree in fashion design from Fullerton College.Mr. and Mrs. John Vlieger of Bellflower are parents of the bridegroom-to-be who graduated from Long Beach City College and lives in Norwalk.