Manalu, Istas Pratomo, Sanita Simamora, Ruben Mual Siregar, Alexius Humbang Manik, and Andriono Manalu. “Greenhouse Monitoring and Controlling System, Study Case ‘Strawberry’”. Piston: Journal of Technical Engineering 5, no. 1 (November 22, 2021): 35–49. Accessed February 4, 2026. https://openjournal.unpam.ac.id/index.php/Piston/article/view/14722.