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APA Citation
B. Powell, M., Cassematis, P., S. Benson, M., Smallbone, S., & Wortley, R. (2014). police officers' perceptions of the challenges involved in Internet Child Exploitation investigation. Policing, 37(3), 543–557. http://access.bl.uk/ark:/81055/vdc_100034612659.0x00003d