W. E. Rusdi, D. Masithah, Y. Anggarsari, M. N. Rhomadhoni, and N. Farakhin, “Assistance for Waste Management Cadres at the As Salafiyah Al Fitrah Islamic Boarding School Surabaya”, CDJ, vol. 6, no. 3, pp. 93–96, Dec. 2022.