Darma, I. K., Karma, I. G. M. . and Santiana, I. M. A. . (2020) “Validation of blended learning model of applied mathematics through schoological networks for learning in new normal era in vocational education ”, International research journal of engineering, IT & scientific research, 6(6), pp. 50–60. doi: 10.21744/irjeis.v6n6.1027.