Cahyadi, R. (Rendy) ; Firman, A. (Aries) https://www.neliti.com/publications/424405/current-issues-of-project-management-office-at-pt-solusi-telecom.
,
2020
Sahroini, N. (Nanang) ; Firman, A. (Aries) https://www.neliti.com/publications/273169/innovation-in-operations-and-project-development-strategy-at-phe-onwj-to-sustain.
,
2018
Adeng, R. (Rachmadi) ; Firman, A. F. (Aries) https://www.neliti.com/publications/69923/improvement-of-the-operation-for-kopibike-restaurant-using-menu-engineering-appr.
,
2013
Mukhaiyar, H. (Hadi) ; Firman, A. F. (Aries) https://www.neliti.com/publications/65823/managing-the-operation-of-call-center-an-attempt-to-improve-service-quality-for.
,
2013