UNESCO would like to thank the teams of experts, reviewers and translators for their valuable contributions. This resource has been made possible by numerous institutions, organizations and researchers from Africa, the Caribbean, and Asia and Pacific regions. The development of this guidebook was achieved through cooperation and collaborative work, involving UNESCO Headquarter divisions, the Windhoek Office, the Harare sub-regional Regional Office for Southern Africa and the Copperbelt University in Zambia to whom appreciation is extended.