Presented to

[نام نویسنده را انتخاب نمایید]

This is to certify that your paper entitled «Evaluating the impact of distance from recycling plant on cost and energy consumption during construction and demolition(C&D) waste recycling in Tehran municipality district 15» was indexed with 12 pages, in the CIVILICA citation database, code COI:URDCONF01_012, after evaluation and approval of the referees of the "International Conference on Agricultural Science, Environment, Urban and Rural Development 2019.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.