Sarah Dreiling, of McGrew Real Estate, Lawrence, has completed a specialized course in customer service referral-based business conducted by the Council of Residential Specialists of the National Association of Realtors, Oct. 12-13 in Overland Park.

The course is one in a series of professional education sequences required to qualify for the Certified Residential Specialist designation. The course covered the implementation of specific ideas to add value to and ensure the delivery of exceptional customer service during and after the buying and/or selling of a home.

During the course, students worked on plans and programs designed to ensure the professionalism of residential sales associates.