Mastering Preludio Criollo by Rodrigo Riera: The Definitive Guitarist's Guide
You can try searching for the PDF on online archives or sheet music websites, such as: preludio criollo rodrigo riera pdf
Look for editions that clearly distinguish between Riera's original markings and modern performance edits. Many widely available PDFs feature fingerings added by contemporary professors; test these variations to see which fits your hand anatomy best. Mastering Preludio Criollo by Rodrigo Riera: The Definitive