Polii, Bobby J. “ANALISIS SPASIAL INFILTRASI AIR PADA LAHAN USAHA TANI HORTIKULTURA DI DAS MIKRO RURUKAN MINAHASA”. EKOTON 3, no. 1 (May 19, 2012). Accessed May 12, 2024. https://ejournal.unsrat.ac.id/v3/index.php/EKOTON/article/view/289.