Muhammad Fitra Hardinata, et al. “SERVICES OF THE TIRTA LINGGA REGIONAL DRINKING WATER COMPANY IN OVERCOMING THE CLEAN WATER CRISIS IN SINGKEP DISTRICT, LINGGA REGENCY”. Interdisciplinary Journal of Global and Multidisciplinary, vol. 2, no. 1, Jan. 2026, pp. 1017-24, https://jurnal-ijgam.or.id/index.php/IJGAM/article/view/184.