Sulistyawati, Upik Sri, Bahruni, Afrizal, and Alfina. “Billing Barber Shop (An Implementation of GoodBarber App Builder)”. International Journal Software Engineering and Computer Science (IJSECS) 2, no. 2 (October 30, 2022): 46–51. Accessed May 19, 2024. https://journal.lembagakita.org/index.php/ijsecs/article/view/798.