TY - BOOK AU - Singh, Shamsher AU - Singh, Shamsher TI - Customer relationship management SN - 978-93-5273-685-0 # 978-93-83263-51-6 U1 - 658.812 PY - 2018/// CY - New Delhi # Mumbai PB - Orange books international # Himalaya Publishing House N2 - Customer value and service orientation ER -