Departemen Kimia Universitas Indonesia

Widajanti Wibowo, Tresye Utari and Ria Fitriani, Modification of Zeolite with Hexadecyltrimetylammonium Bromide Surfactant and Its Application as Sulfate Anion-Exchanger, Journal of The Indoensian Chemicl Society, Vol.1 (1) 18-21, 2006.

Widajanti Wibowo, Wahyudi Priyono, Serlie, Studi Reaksi Transesterifikasi Dengan Metanol Menggunakan Katalis Padatan Campuran Oksida Mg-Al-Hidrotalsit, Sains Indonesia, Vol 11, No. 1, Hal. 1-5, Januari 2006.