Advance Passenger Information System (APIS), a system that will smoothen Immigration Clearance at Indonesian Airports.

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ICAO. (2017). Facilitation International Standards and Recommended Practices.

ICAO. (2018). The Implementation Steps of Advance Passenger (API) System. https://www.icao.int/Security/FAL/TRIP/Documents/ICAO%20API%20Brochure_2018_web.pdf

Lee, C. (2016). A Benefit-Cost Analysis of Korea’s “Advance Passenger Information System.” https://uknowledge.uky.edu/mpampp_etds

WCO, IATA, & ICAO. (2014). Guidelines on Advance Passenger Information (API).