Kuswanto, A., Budimansyah, & Supriyaningsih, O. (2023). Green economic system as environmental protection: Case study in Pt. Pertamina Geothermal Energy Indonesia / Arif Kuswanto, Budimansyah and Okta Supriyaningsih. Universiti Teknologi Mara Selangor.
Chicago-čujuhus (17. p.)Kuswanto, Arif, Budimansyah, juo Okta Supriyaningsih. Green Economic System as Environmental Protection: Case Study in Pt. Pertamina Geothermal Energy Indonesia / Arif Kuswanto, Budimansyah and Okta Supriyaningsih. Universiti Teknologi Mara Selangor, 2023.
MLA-čujuhus (9. p.)Kuswanto, Arif, et al. Green Economic System as Environmental Protection: Case Study in Pt. Pertamina Geothermal Energy Indonesia / Arif Kuswanto, Budimansyah and Okta Supriyaningsih. Universiti Teknologi Mara Selangor, 2023.