Tanjung, Rahman and Mawati, Arin Tentrem and Ferinia, Rolyana and Nugraha, Nur Arif and Simarmata, Hengki Mangiring Parulian and Sudarmanto, Eko and Hasibuan, Abdurrozzaq and Dewi, Idah Kusuma and Gandasari, Dyah and Purba, Bonaraja and Purba, Sukarman and Silalahi, Marto (2023) Organisasi dan Manajemen. Technical Report. Yayasan Kita Menulis.

KEMENTERIAN HUKUM DAN HAK ASASI MANUSIA REPUBLIK INDONESIA (2021) Pengembangan Budaya Akademik. 000246420.

Sudarmanto, Eko and Astuti, Astuti and Kato, Iskandar and Basmar, Edwin and Simarmata, Hengki Mangiring Parulian and Yuniningsih, Yuniningsih and Irdawati, Irdawati and Wisnujati, Nugrahini Susantinah and Siagian, Valentine (2021) Manajemen Risiko Perbankan. Yayasan Kita Menulis, Medan.

Tanjung, Rahman and Mawati, Arin Tentrem and Ferinia, Rolyana and Nugraha, Nur Arif and Simarmata, Hengki Mangiring Parulian and Sudarmanto, Eko and Hasibuan, Abdurrozzaq and Dewi, Idah Kusuma and Gandasari, Dyah and Purba, Bonaraja and Purba, Sukarman and Silalahi, Marto (2021) Organisasi dan Manajemen. Yayasan Kita Menulis, Medan. ISBN 978-623-6840-81-8

Sudarso, Andriasan and Purba, Bonaraja and Ardiana, Dewa Putu Yudhi and Manullang, Sardjana Orba and Karim, Abdul and Purba, Pratiwi Bernadetta and Muliana, Muliana and Siagian, Valentine and Siregar, Muhammad Noor Hasan and Jamaludin, Jamaludin and Sudarmanto, Eko and Ashoer, Muhammad and Nugraha, Nur Arif and Septarini, Ri Sabti (2020) Konsep E-Bisnis. Yayasan Kita Menulis, Medan. ISBN 978-623-6761-53-3