Simamora, Khairisa Putri, Kartika Sari Lubis, Ruwina Puspita Sembiring, Haris Munandar Rrangkuti, and Syamsiah. 2023. “Utilization of Coconut Shell Waste Which Is One of the Sources of Community Income”. Jurnal 1 (1):86-91. https://ijosthes.org/index.php/j/article/view/27.