http://caagin.blogspot.com/2012/05/assalammulaikum-kengkawan-semlm-bawak.html
http://www.nahrim.gov.my/index.php/ms/pengumuman/587-lawatan-teknikal-meninjau-teknologi-biogas-kelolaan-sp-multitech-renewable-energy-sdn-bhd-oleh-ketua-pengarah-nahrim-pada-16-disember-2013
http://www.spmultitech.com/semenyihbiogasplant.html
http://www.spmultitech.com/qlpajambiogasplant.html
http://www.ukm.my/news/index.php/ms/berita-kampus/766-turning-waste-in-tasik-chini-into-power-.html
http://www.nahrim.gov.my/index.php/ms/pengumuman/587-lawatan-teknikal-meninjau-teknologi-biogas-kelolaan-sp-multitech-renewable-energy-sdn-bhd-oleh-ketua-pengarah-nahrim-pada-16-disember-2013
http://www.spmultitech.com/semenyihbiogasplant.html
http://www.spmultitech.com/qlpajambiogasplant.html
http://www.ukm.my/news/index.php/ms/berita-kampus/766-turning-waste-in-tasik-chini-into-power-.html