Simon, Andrew Christopher and Purwadaria, Hadi K. and Setiawan, Yangyang (2014) Characteristics of Spray Dried Mangosteen Peels. Bachelor thesis, Swiss German University.

Benawar, Geoffrey and Purwadaria, Hadi K. and Setiawan, Yangyang (2014) Extraction of Unsaturated Fatty Acid from Cocoa Butter. Bachelor thesis, Swiss German University.

Chael, Mei and Purwadaria, Hadi K. and Setiawan, Yangyang (2014) Identification of Carotene and Beta-Cryptoxanthin In Crude Palm Oil (CPO) Sludge Under Flow. Bachelor thesis, Swiss German University.

Arimathea, Yusuf and Purwadaria, Hadi K. and Setiawan, Yangyang (2013) Drying Rate of Soursop Leaves for Beverage Products. Bachelor thesis, Swiss German University.