Lazuardi, Bintang, Rico Ricardo, Andika Pambudi, Feriansyah, and Diza Tunnisa Empa. “Pengaruh Keketatan Kebijakan Lingkungan Dan Investasi Asing Langsung Terhadap Efisiensi Energi Di Kelompok Negara BRIICS: The Influence of Stringency of Environmental Policies and Foreign Direct Investment on Energy Efficiency in the BRIICS Country Group”. Jurnal Ekonomi, Lingkungan, Energi, dan Bisnis (ELEGIS) 1, no. 1 (December 13, 2023): 49–61. Accessed January 16, 2025. https://elegis.universitaspertamina.ac.id/index.php/ELEGIS/article/view/3.