Integrated choline chloride/citric acid-microwave pretreatment for efficient nanolignin extraction and bioethanol production from cocoa pod husk waste. - Yadav, Aditya; Dong, Cheng-Di; Sharma, Diksha; Tsai, Mei-Ling; Sun, Pei-Pei; Nargotra, Parushi; Chen, Chiu-Wen; Choure, Kamlesh; Sharma, Vishal (Energy & Environment, 2025)