Julyanthry, Julyanthry and Siagian, Valentine and Asmeati, Asmeati and Hasibuan, Abdurrozzaq and Simanullang, Ramses and Pandarangga, Adi Papa and Purba, Sukarman and Purba, Bonaraja and Pintauli, Rolyana Ferinia and Rahmadana, Muhammad Fitri and Syukriah M, Eljihad Akbari (2020) Manajemen Produksi dan Operasi. Yayasan Kita Menulis, Medan.