Nugriani, Nandhita Octavia and Widiputri, Diah and Yusri, Silvya (2019) Antioxidant Stability Testing on Liquid and Powder Eichhornia Crassipes Extract. Bachelor thesis, Swiss German University.

Wasistha, Michelle Kanya and Sutanto, Hery and Widiputri, Diah (2019) Application of Red (Hylocereus Polyrhizus) Dragon Fruit Peel Extract as Natural Colorant and Antioxidant Agent for Lip Stain. Bachelor thesis, Swiss German University.

Sabarman, Joshua Suhadi and Legowo, Evita Herawati and Widiputri, Diah (2019) Bioavtur Synthesis from PFAD Through Hydrotreating and Hydrocracking Processes. Bachelor thesis, Swiss German University.

Putri, Novaria and Widiputri, Diah and Effendy, Juli (2019) Biogas Production from Alkaline Pretreated Cocoa Pod Husk as an Alternative Energy Resource. Bachelor thesis, Swiss German University.

Pathavi, Devin and Legowo, Evita Herawati and Widiputri, Diah (2019) Biogas Production from Oil Palm Mesocarp Fibre With Alkaline Pre-Treatment. Bachelor thesis, Swiss German University.

Julisantika, Ivana and Widiputri, Diah and Kartawiria, Irvan S (2019) Extraction Process Upscaling Of Cymbopogon Citratus (Lemongrass) At Optimum Agi Level. Bachelor thesis, Swiss German University.

Nadya, Nadine and Kartawiria, Irvan S and Widiputri, Diah (2019) Optimization of Spray Distillation Column for Ethanol Purification. Bachelor thesis, Swiss German University.

Ario, Marcel and Marpaung, Abdullah Muzi and Widiputri, Diah (2019) The Optimization of the Pre-Treatment and Extraction of Anthocyanin from Morning Glory Flower. Bachelor thesis, Swiss German University.

Faraditya, Alvina and Widiputri, Diah and Legowo, Evita Herawati (2019) Pyrolysis Oil Production from Municipal Polyethylene (Pe) Plastic Waste. Bachelor thesis, Swiss German University.