Proses penyiasatan di negara Singapura bantuan kepada agensi penguatkuasa negara-negara luar - RAJA Mohd Zamani b. Raja Abdullah (Bangi : UKM, 1992)
Thesis(Diploma Sains Kepolisan) - Universiti Kebangsaan Malaysia, 1992/93
Keywords: Criminal investigation - International cooperation - Dissertations, thesis, etc; Criminal investigation -- Singapura - Integration - Dissertations, thesis, etc; Police -- Singapura - International cooperation - Dissertations, thesis, etc