diff --git a/books/free-programming-books-id.md b/books/free-programming-books-id.md
index 091d9bbc0..924a15632 100644
--- a/books/free-programming-books-id.md
+++ b/books/free-programming-books-id.md
@@ -160,6 +160,7 @@
 ### Pemrograman Kompetitif
 
 * [Pemrograman Kompetitif Dasar](https://ksn.toki.id/data/pemrograman-kompetitif-dasar.pdf) - William Gozali, Alham Fikri Aji (PDF)
+* [Referensi Pemrograman Bahasa Pascal](https://toki.id/download/referensi-pemrograman-bahasa-pascal/) - Tim Pembina Toki (PDF)
 
 
 ### PHP