Zone metro ratp

Zone metro ratp Source google image: https://image.slidesharecdn.com/webinar-alacartestrategy20150211-web-150218075328-conversion-gate02/95/managing-end-user-expectations-the-a-la-carte-strategy-1-638.jpg?cb=1424246442

Abonnement rer b

Abonnement rer b Source google image: https://static.lexpress.fr/medias_11859/w_480,h_270,c_fill,g_north/v1528796947/des-employes-de-la-sncf-pres-d-un-rer-qui-a-deraille-entre-saint-remy-les-chevreuse-et-courcelle-sur-yvette-le-12-juin-2018_6072056.jpg

Mobilis 3 zones

Mobilis 3 zones Source google image: https://www.researchgate.net/profile/Glaucia_S_Lima/publication/271188156/figure/fig5/AS:667812926341133@1536230417867/Growth-curve-of-Z-mobilis-Z1-87-Schreder-medium-at-37C-and-bacteriocin-production.png