Yaik-Wah Lim, Najib T. Al-Ashwal, David B. Dalumo and Pau Chung Leng 2025. EFFECT OF ADJACENT SHADING ON BUILDING ENVELOPE HEAT GAIN IN TROPICAL CLIMATE: Received: 10th June 2025, Revised: 20th June 2025, 10th July 2025, Accepted: 2nds August 2025, Date of Publication: 11th September 2025. MATTER: International Journal of Science and Technology. 11, (Sep. 2025), 28–42. DOI:https://doi.org/10.20319/mijst.2025.11.2842.