Osman, M. N., K. A. Sedek, N. A. Othman, M. Maghribi, and A. I. Ahmad. “The Implementation of Campus Bookstore Management System Integrated With WhatsApp and Google Services”. Journal of Computing Research and Innovation, vol. 9, no. 2, Sept. 2024, pp. 280-9, doi:10.24191/jcrinn.v9i2.465.