|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  | F. Jurado, A.I. Molina, M.A. Redondo, M. Ortega, A. Giemza, L. Bollen, H.U. Hoppe: Learning to Program with COALA, a Distributed Computer Assisted Environment/jucs_15_7/learning_to_program_with |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  | L. Llana, E. Martin-Martin, C. Pareja-Flores, J.Á. Velázquez-Iturbide: FLOP: A User-Friendly System for Automated Program Assessment/jucs_20_9/flop_a_user_friendly |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  |  |  | 
|  | T. Pallejà, E. Rubión, M. Teixido, M. Tresanchez, A. Fernández del Viso, C. Rebate, J. Palacin: Using the Optical Flow to Implement a Relative Virtual Mouse Controlled by Head Movements/jucs_14_19/using_the_optical_flow |  | 
|  |  |  | 
|  |  |  | 
|  |  |  |