NARDIANSYAH, N. Sosialisasi dan Pelaksanaan Kegiatan Gotong Royong Terbesar di Dunia World Cleanup Day (WCD) Kota Bitung. Community Engagement and Emergence Journal (CEEJ), [S. l.], v. 2, n. 1, p. 91–100, 2020. DOI: 10.37385/ceej.v2i1.141. Disponível em: https://journal.yrpipku.com/index.php/ceej/article/view/141. Acesso em: 20 apr. 2024.