"Green Coffee Shop Scheme". Cambridge Food Hub (in ஆங்கிலம்). 2019-05-08. பார்க்கப்பட்ட நாள் 2019-10-25.
doi.org
dx.doi.org
Ballesteros, Lina F.; Teixeira, José A.; Mussatto, Solange I. (December 2014). "Chemical, Functional, and Structural Properties of Spent Coffee Grounds and Coffee Silverskin". Food and Bioprocess Technology7 (12): 3493–3503. doi:10.1007/s11947-014-1349-z.
Chalker-Scott, Ph.D, Linda (2009). "Coffee grounds— will they perk up plants?"(PDF). Master Gardener. Puyallup Research and Extension Center, Washington State University. பார்க்கப்பட்ட நாள் 25 December 2014.{{cite web}}: CS1 maint: multiple names: authors list (link)