TY - GEN AU - external_update TI - Pengujian Sistem Informasi Penjualan Undangan Pernikahan Online Berbasis Web Menggunakan Black Box Testing PY - 2020 PB - INFORMATION MANAGEMENT FOR EDUCATORS AND PROFESSIONALS: Journal of … UR - https://scholar.google.com/scholar?oi=bibs&cluster=118960362941167153&btnI=1&hl=en ER -