This document discusses customer value in the Indonesian pharmaceutical industry. It identifies the main parties involved in prescription drug purchases as prescribers, influencers, consumers, and financiers. It also examines the evolution of understanding customers, including reasons for purchases such as mood, personal factors, and societal influences. The document reviews sources of health and drug information and trends in pharmaceutical marketing and spending on activities like detailing. It analyzes the customer decision journey and purchase funnel as well as reasons customers may not switch products and ways to protect customers from competitors.