Update Projects/1-Beginner/Smart-Study-Timer.md

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Projects/1-Beginner/Smart-Study-Timer.md

@@ -25,7 +25,7 @@ To help students track their study habits and improve focus through timed study
 - Daily/weekly study goals.
 
 ## Useful Links and Resources
-## Useful Links and Resources
+- Pomodoro Technique Reference: [Pomodoro Technique](https://francescocirillo.com/pages/pomodoro-technique)
 - Pomodoro Technique Reference: [Pomodoro Technique](https://francescocirillo.com/pages/pomodoro-technique)
 - Chart.js for time visualization: [Chart.js](https://www.chartjs.org/)