@article{CSIS_2019_16_3_a9, author = {Haijian Chen and Yonghui Dai and Heyu Gao and Dongmei Han and Shan Li}, title = {Classification and {Analysis} of {MOOCs} {Learner{\textquoteright}s} {State:} {The} {Study} of {Hidden} {Markov} {Model}}, journal = {Computer Science and Information Systems}, publisher = {mathdoc}, volume = {16}, number = {3}, year = {2019}, url = {http://geodesic.mathdoc.fr/item/CSIS_2019_16_3_a9/} }