DDP 1

Referensi Utama:
"E-book (PDF tersedia gratis di internet)":

1. Dasar-Dasar PHP oleh L. Erawan, M.Kom. 2014.  Sistem Informasi - Fasilkom, UDINUS Semarang.

2. Logika dan Algoritma oleh Ali Ridho Barakbah, Ph.D., Tita Karlita, M.Kom., dan Ahmad Syauqi Ahsan, S.Kom (tersedia di internet).
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