Phoong Seuk Wai and Phoong Seuk Yen (2026) Komuniti Bebas Dadah Strategi Pengurangan Risiko di Kawasan Berisiko Tinggi di Malaysia. Penerbit UTHM. Available at: https://publisher.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/580 (Accessed: 23 July 2026).