Caicong W, Lin Z, Jie W, Yaping C. Smartphone based precise monitoring method for farm operation. Int J Agric & Biol Eng [Internet]. 2016 May 31 [cited 2026 Feb. 27];9(3):111-2. Available from: https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/2154