The economy depends heavily on advanced petrochemical technologies, and many Bahrainis have had or are receiving technical training. The University of Bahrain, at Isa Town, has a college of engineering and science. The Arabian Gulf University, founded in 1980 by the seven Gulf states, has colleges of medicine and applied sciences. The Bahrain Society of Engineers and the Bahrain Computer Society, in Manama, and the Bahrain Medical Society in Adliya, are leading professional groups. The College of Health Sciences, founded in 1976, had 528 students in 1996. The Bahrain Centre for Studies and Research, founded in 1981, conducts scientific study and research.