Widiputri, Diah Indriani and Kathalia, Fernanda Ayuyasmin and Legowo, Evita Herawati (2021) Biopellet Production from the Wastes of Palm Oil Plantation and Processing Plant Through Various Pretreatment Processes: A Review. In: 6th International Conference of Food, Agriculture, and Natural Resource (IC-FANRES 2021).

Kathalia, Fernanda Ayuyasmin and Legowo, Evita Herawati and Widiputri, Diah Indriani (2020) Optimization of Biopellete Production from Mesocarp Fiber Using Acid Pretreatment. Bachelor thesis, Swiss German University.