I represented Universiti Teknologi Malaysia as the keynote speaker at the national seminar on chemistry and chemistry education organized by Universitas Negeri Semarang held in 10 October 2009, in Puri Garden Hotel, Semarang, Indonesia.
I represented Universiti Teknologi Malaysia as the keynote speaker at the national seminar on chemistry and chemistry education organized by Universitas Negeri Semarang held in 10 October 2009, in Puri Garden Hotel, Semarang, Indonesia.