MOHD RIDHUAN, Amir Umar; ABD RAHMAN, Ramhuzaini. Study of Soil Quality (Moisture and pH) Upon the Growth of Okra Plant Using IoT Technique. Research Progress in Mechanical and Manufacturing Engineering, [S. l.], v. 3, n. 1, p. 290–297, 2022. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/3846. Acesso em: 12 mar. 2026.