Batchakui, Bernabé, Thomas Djotio, Ibrahim Moukouop, and Alex Ndouna. 2021. “Object-Based Trace Model for Automatic Indicator Computation in the Human Learning Environments”. International Journal of Emerging Technologies in Learning (iJET) 16 (21):pp. 26-41. https://doi.org/10.3991/ijet.v16i21.25033.