Adisusilo, A. K., Hariadi, M., Mulyanto, E., Purwantana, B., & i, R. (2018). Designing Immersive Serious Game Based on Soil Tillage : Polynomial Model for Horizontal Plowing Force Model. International Journal of Engineering and Technology, 7(4.28), 404-410. https://doi.org/10.14419/ijet.v7i4.28.22621