Leni, S. M., Tri, T., & Nahry. (2021). Speed change and traffic safety power model for inter-urban roads with heterogeneous traffic. Institut za istrazivanja i projektovanja u privredi.
Cita Chicago Style (17a ed.)Leni, Siregar Martha, Tjahjono Tri, y Nahry. Speed Change and Traffic Safety Power Model for Inter-urban Roads with Heterogeneous Traffic. Institut za istrazivanja i projektovanja u privredi, 2021.
Cita MLA (8a ed.)Leni, Siregar Martha, et al. Speed Change and Traffic Safety Power Model for Inter-urban Roads with Heterogeneous Traffic. Institut za istrazivanja i projektovanja u privredi, 2021.
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