Prapto Nugroho และ Ekachai Leelarasmee. (2006) Analysis and design of a 3-stage CMOS current controlled ring oscillator. Chulalongkorn University:ม.ป.ท.Prapto Nugroho และ Ekachai Leelarasmee. 2006. Analysis and design of a 3-stage CMOS current controlled ring oscillator. ม.ป.ท.:Chulalongkorn University;Prapto Nugroho และ Ekachai Leelarasmee. Analysis and design of a 3-stage CMOS current controlled ring oscillator. ม.ป.ท.:Chulalongkorn University, 2006. Print.