Monograph

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 Ferinia, Rolyana and Rahmadana, Muhammad Fitri and Syukriah M, Eljihad Akbari (2023) Manajemen Produksi dan Operasi. Technical Report. Yayasan Kita Menulis.

Book

Siregar, Robert Tua and Rahmadana, Muhammad Fitri and Nainggolan, Pinondang and Basmar, Edwin and Siagian, Valentine (2021) Ekonomi Industri. Yayasan Kita Menulis, Medan.

Siagian, Valentine and Rahmadana, Muhammad Fitri and Basmar, Edwin and Purba, Pratiwi Bernadetta and Nainggolan, Lora Ekana and Nugraha, Nur Arif and Siregar, Robert Tua and Lifchatullaillah, Endang and Marit, Elisabeth Lenny and Simarmata, Hengki Mangiring Parulian and Prasetya, Agustian Budi and Purba, Bonaraja (2020) Ekonomi dan Bisnis Indonesia. Yayasan Kita Menulis, Medan.

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 Ferinia, Rolyana and Rahmadana, Muhammad Fitri and Syukriah M, Eljihad Akbari (2020) Manajemen Produksi dan Operasi. Yayasan Kita Menulis, Medan. ISBN 978-623-6761-34-2

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.

Rahmadana, Muhammad Fitri and Mawati, Arin Tentrem and Siagian, Nurhayati and Perangin-angin, Mori Agustina and Refelino, John and Tojiri, Moch. Yusuf and Siagian, Valentine and Nugraha, Nur Arif and Manullang, Sardjana Orba and Silalahi, Marto and Yendrianof, Devi and Sari, Anggri Puspita and Supriadi, Made Nopen and Sari, Marlynda Happy Nurmalita and Bahri, Samsyul (0202) Pelayanan Publik. Yayasan Kita Menulis, Medan.