jae-hyun, J., jin-hyeong, J., jun-tae, K., Ahn-ryul, C., young-yoon, J. and sang-sik, L. 2019. Development of smart control forklift using center-of-gravity analysis of small forklift. International Journal of Advanced Science and Technology. 28, 3 (Sep. 2019), 47 - 50.