Akbar Mustafa, Ilham, et al. “Persepsi Masyarakat Terhadap Dampak Industri Semen Di Wilayah Kabupaten Boolang, Mongondow, Sulawesi Utara”. IJEEM - Indonesian Journal of Environmental Education and Management, vol. 6, no. 2, July 2021, pp. 208-1, doi:10.21009/IJEEM.062.07.