1. LudwigSasse (1998) “BiogasPlants” A Publication of Doutsches Zentrumfur Entwicklung techologies–GATE
2. Mag dalena et al (2014) Potential for producing biogas from agricultural waste in rural plants in Polands. Sustainability 6:5065–5074. ISSN 2071-1050
3. Tomczah R et al (2012) Biogas production from fish wastes in co-digestion with sewage sludge
4. Ajip et al (2016) Perspective of waste utilization in sea food industry. Int J Manage Appl Sci 2(9). ISSN 2394-7926
5. Islam MS (2006, September) Use of bioslurry as organic fertilizer in Bangladesh agriculture. Prepared for the presentation at the international workshop on the use of bioslurry domestic biogas programme, Bangkok, Thailand, pp 3–16