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Direct linkAttari, Mohammad Ali; Asgary, Sedigheh; Shahrokhi, Shahnaz; Naderi, Gholam Ali; Shariatirad, Schwann – Journal of Child & Adolescent Substance Abuse, 2012
The prevalence of drug abuse has been reported to be up to 17.0% in Iran. The aim of this study was to investigate the prevalence of two frequently abused substances--cannabis and opium--in samples of the young population in Isfahan, Iran. In a survey done from January 2005 to December 2006, 537 individuals aged 13-20 years were recruited using a…
Descriptors: Marijuana, Physical Examinations, Incidence, Drug Abuse
Download full textChick, Helen L., Ed.; Vincent, Jill L., Ed. – International Group for the Psychology of Mathematics Education, 2005
The first volume of the 29th annual conference of the International Group for the Psychology of Mathematics Education contains plenary lecture and research forum papers as listed below. Short oral communications papers, poster presentations, brief summaries of discussion groups, and working sessions are also included in the volume. The plenary…
Descriptors: Educational Theories, Elementary School Mathematics, Semiotics, Mathematics Education
