Murdiono, A, A Shabrina Prameka, A Hermawan, A Hariri AP, and S Hadi Wira Prabowo. 2019. “The Mapping of Corporate Social Responsibility (CSR) Implementation Model Activities in East Java”. KnE Social Sciences 3 (11), 875–883. https://doi.org/10.18502/kss.v3i11.4056.