Erison, Yendra, et al. “‘Leadership and Smart Environment Policy’ Studi Kasus Implementasi Smart Environment Di Pekanbaru”. Madani: Jurnal Politik Dan Sosial Kemasyarakatan, vol. 15, no. 2, Aug. 2023, pp. 426-40, https://ejournal.unisda.ac.id/index.php/MADANI/article/view/12630.