Gaya APA
Putra. (2021).
Business model and business plan di era 4.0 .
Yogyakarta:
Quadrant.
Gaya Chicago
Putra.
Business model and business plan di era 4.0.
Yogyakarta:
Quadrant,
2021.
Text.
Gaya MLA
Putra.
Business model and business plan di era 4.0.
Yogyakarta:
Quadrant,
2021.
Text.
Gaya Turabian
Putra.
Business model and business plan di era 4.0.
Yogyakarta:
Quadrant,
2021.
Print.