Habibullah N, Sahrir S, Ponrahono Z. INTEGRATING RAINWATER HARVESTING AND GREYWATER RECYCLING TO INCREASE WATER EFFICIENCY IN OFFICE BUILDINGS. PM [Internet]. 2023 Sep. 28 [cited 2026 Oct. 23];21(29). Available from: https://www.planningmalaysia.org/index.php/pmj/article/view/1369