Trích dẫn APA

Chacón-Serrano, W. (2015). TREATMENT SERVICES FOR DRUG PROBLEMS. CHARACTERISTICS OF SUPPLY AND TERRITORIAL ACCESSIBILITY IN COSTA RICA.

Trích dẫn kiểu Chicago

Chacón-Serrano, William. TREATMENT SERVICES FOR DRUG PROBLEMS. CHARACTERISTICS OF SUPPLY AND TERRITORIAL ACCESSIBILITY IN COSTA RICA. 2015.

Trích dẫn MLA

Chacón-Serrano, William. TREATMENT SERVICES FOR DRUG PROBLEMS. CHARACTERISTICS OF SUPPLY AND TERRITORIAL ACCESSIBILITY IN COSTA RICA. 2015.

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