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Before Colombia became one of the world’s largest producers of cocaine in the 1980s, traffickers from the Caribbean coast partnered with American buyers in the 1970s to make the South American country the main supplier of marijuana for a booming US drug market, fueled by the US hippie counterculture. How did Colombia become central to the creation of an international drug trafficking circuit? Marijuana Boom is the story of this forgotten history. Combining deep archival research with unprecedented oral history, Lina Britto deciphers a puzzle: Why did the Colombian coffee republic, a model of Latin American representative democracy and economic modernization, transform into a drug paradise, and at what cost?
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This book is a collection of insightful and unique state-of the-art papers presented at the Computing Conference which took place in London on June 22–23, 2023. A total of 539 papers were received out of which 193 were selected for presenting after double-blind peer-review. The book covers a wide range of scientific topics including IoT, Artificial Intelligence, Computing, Data Science, Networking, Data security and Privacy, etc. The conference was successful in reaping the advantages of both online and offline modes. The goal of this conference is to give a platform to researchers with fundamental contributions and to be a premier venue for academic and industry practitioners to share new ideas and development experiences. We hope that readers find this book interesting and valuable. We also expect that the conference and its publications will be a trigger for further related research and technology improvements in this important subject.
This volume of the Minerals Yearbook provides an annual review of mineral production and trade and of mineral-related government and industry developments in more than 175 foreign countries. It is normally published in separate books that cover specific regions. In this publication, the regional books are combined into one commemorative volume. These annual reviews are designed to provide timely statistical data on mineral commodities in various countries. Each report includes sections on government policies and programs, environmental issues, trade and production data, industry structure and ownership, commodity sector developments, infrastructure, and a summary outlook. More information is available on the three volumes of the Minerals Yearbook. Regional Areas Covered: Africa and the Middle East Asia and the Pacific Europe and Central Eurasia North America, Central America, and the Caribbean South America
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This book is a collection of selected research papers presented at the 2023 4th International Conference on Artificial Intelligence in Education Technology (AIET 2023), held in Berlin, Germany, on June 30 - July 2, 2023. AIET establishes a platform for AI in education researchers to present research, exchange innovative ideas, propose new models, as well as demonstrate advanced methodologies and novel systems. It is a timely and up-to-date publication responsive to the rapid development of AI technologies, practices and their increasingly complex interplay with the education domain. It promotes the cross-fertilisation of knowledge and ideas from researchers in various fields to construct the...