Fajardo Quesada, Annier Jesús, Eduardo Antonio Hernández González, René Herrero Pacheco, and Lisannia Virgen Beritán Yero. “Chapter 6. Correlation Graphs”. In Applied Bibliometrics. From Data to Publication (Spanish Edition), 91–108. AG Editor, 2025. Accessed December 30, 2025. https://books.southam.pub/index.php/books/catalog/book/978-9915-9680-6-3/chapter/23.