Anom, A.E., Zulfikri Toguan and Azbi Arief Habibi 2026. Regulatory Disharmony In Mining Downstream Policies: Ensuring Investment Certainty And Environmental Protection In Indonesia. International Journal of Health Engineering and Technology. 5, 2 (Jul. 2026). DOI:https://doi.org/10.55227/ijhet.v5i2.1051.