Hanif, Nita Aribah, et al. “Comparative Study of Indonesia and Denmark in Creating a Smart Environment”. Jurnal Pengelolaan Sumberdaya Alam Dan Lingkungan (Journal of Natural Resources and Environmental Management), vol. 14, no. 1, Mar. 2024, pp. 160-73, https://doi.org/10.29244/jpsl.14.1.160-173.