Phoong Seuk Wai and Phoong Seuk Yen (2026) Isu, Cabaran dan Strategi dalam Pencegahan dan Pemuliharaan Dadah di Malaysia. Penerbit UTHM. Available at: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/586 (Accessed: 26 August 2026).