Book

Mastarida, Friska and Sahir, Syafrida Hafni and Hasibuan, Abdurrozzaq and Siagian, Valentine and Hariningsih, Endang and Fajrillah, Fajrillah and Gustiana, Zelvi and Tjiptadi, Diena Dwidienawati and Pakpahan, Andrew Fernando (2022) Strategi Transformasi Digital. Yayasan Kita Menulis, Medan.

Sari, Anggri Puspita and Anggraini, Dina Dewi and Sari, Marlynda Happy Nurmalita and Gandasari, Dyah and Siagian, Valentine and Septarini, Ri Sabti and Tjiptadi, Diena Dwidienawati and Sulaiman, Oris Krianto and Munsarif, Muhammad and Siregar, Prima Andreas and Nugraha, Nur Arif and Simarmata, Janner (2020) Kewirausahaan dan Bisnis Online. Yayasan Kita Menulis, Medan.