Notae:
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Tang, Yu-Feng; Tai, Hongyun; Chen, Shouyu (2018). "Aqua Morbi cursus sapien et aqua metering in Sinis: Progressus status et provocationes". Science of the Total Environment. 633: 908-917.
3. Singh, Jaskirat; Ogie, Richard; Sweetman, Andrew J.; Brown, Scott; Anda, Martin (2017). "Applicare vitam cycli cogitationis ad minimize vestigium environmental vestigium aquarum metrorum: Ex metris conventionalibus residentialibus ad metrorum aquam callidiorem". Acta Internationalis Vitae Cycli aestimationem. 22 (5): 797–808.
4. Gomiero, Tiziano; Cucchiella, Federica; Toyasaki, Fuminori (2019). "Aestimatio environmentalis et oeconomica solutio solutionum eco-sustinabilis aquarum metering: casus comparativus studii in Italia". Journal of Cleaner Production. 238: 117978.
5. Kim, Young-Duk; Jo, Hongkyun; Lee, Sang-Heon; Canticum, Kyoung-sik ; Yoon, Yong-Hee (2018). "Impactationes oeconomicae et environmentales introducendi a aqua metri systematis in Multi-familia habitationi unitatum Seoul". Sustentationem. 10 (10): 3636 .