TY - BOOK AU - Catanyag, Maxine Daphnie D. AU - Montalla, Anna Rose G. AU - Ortal, Diana Jane E. AU - Peralta, Janelle N. AU - Sardua, Lyka Q. TI - A Qualitative sentiment analysis of emotional valence of Tripadvisor reviews on a UNESCO natural heritage site in the Philippines AV - UGT CTHM BSTM .C38 2025 PY - 2025/// CY - Manila PB - National University N1 - Includes bibliographical references; Chapter 1. Introduction -- Chapter 2. Review of related literature and studies -- Chapter 3. Methodology -- Chapter 4. Results, Analysis and discussions -- Chapter 5. Summary of Findings, Conclusions and Recommendations -- References N2 - This study conducted a qualitative sentiment analysis of TripAdvisor reviews for Tubbataha Reefs Natural Park, a UNESCO natural heritage site in the Philippines ER -