“CREATING SHARED VALUE PT PETROKIMIA GRESIK MELALUI PETERNAKAN SAPI TERINTEGRASI”, STAP, vol. 9, pp. 220–225, Jun. 2022, Accessed: Oct. 31, 2025. [Online]. Available: https://jnp.fapet.unsoed.ac.id/index.php/psv/article/view/841