Switching Model for Private Vehicles to Public Transportation System in Case of Sana'a
2013 ◽
Vol 6
(13)
◽
pp. 2366-2372
1972 ◽
Vol 6
(1)
◽
pp. 81-102
◽
2004 ◽
Vol 69
(580)
◽
pp. 125-131
◽
2021 ◽