Soong HN, Omar R, Goh KC, Seow TW. The Challenges of Implementation Greywater Recycling System In Residential Buildings . rmtb [Internet]. 2021 Jun. 12 [cited 2026 Apr. 7];2(1):1113-29. Available from: https://publisher.uthm.edu.my/periodicals/index.php/rmtb/article/view/2047