It has been proven time and time again that exam questions do not just come from the course notes but also external sources.
Below is a compilation of supplementary revision materials that you should include in your RES exam revision effort.
Guidelines: Flats and Condominiums
Guidelines: Strata Landed Housing
Guidelines: Semi-Detached Houses
Guidelines: Business 1 (Industrial)
Guidelines: Business 2 (Industrial)
Guidelines: Health and Medical Care
Guidelines: Education Institution
Guidelines: Civic and Community Institution
Guidelines: Sports and Recreation