Thahir, Ridhawati and Widiyanti, Setyo Erna and Sukasri, Arifah Analysis of hydrothermal carbonization temperature on the quality standard of activated carbon from rice husk as porous materials. In: The 1st International Multidisciplinary Conference of Applied Sciences, Makassar.

Yasser, M. and Badai, Muhammad and Thahir, Ridhawati and Sukasri, Arifah and Kurniawan, Kurniawan Antioxidant Extraction from Purple Sweet Potato (Ipomea batatas l.) using Ultrasound Assisted Extraction (UAE). Journal of Physics: Conference Series, 2049 (4): 057. ISSN 1742-6588 (print) 1742-6596 (web)