Tri Isti Hartini, TIH Implementing Analytic Mechanics Learning Based on Multiple Representations on GeoGebra Software: In Forwardness to Face the Industrial Revolution 4.0 (Mr-Geo.4ir). Implementing Analytic Mechanics Learning Based on Multiple Representations on GeoGebra Software: In Forwardness to Face the Industrial Revolution 4.0 (Mr-Geo.4ir). ISSN 1869-2885