WAANI, F.; PELLENG, F. A. O.; MANGINDAAN, J. V. Analisis Tingkat Kesejaheraan Petani Gula Aren Di Desa Tondei Kecamatan Motoling Barat Kabupaten Minahasa Selatan. Productivity, [S. l.], v. 2, n. 1, p. 58–62, 2021. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/32867. Acesso em: 2 may. 2024.