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. 2020 Jan 5;20(1):296. doi: 10.3390/s20010296

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Screenshot of the graphical user interface (GUI) during a mission. Top left: remaining time and score. Top right: robot camera feedback. Bottom left: water stock management task. Bottom right: robot status.