Qorni, Qois Al, Agung Setiaji, and Tata Sutabri. 2023. “Design and Construction of the Barbershop Start up Application Using the Lean Startup Method for the Palembang City Area”. Jurnal Info Sains : Informatika Dan Sains 13 (03):1080-87. https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/3640.