environmental protocol

international law

en-US/ɪnˌvaɪɹənˈmɛnəl ˈpɹoʊtəˌkɑl/
en-GB/ɪnˌvaɪəɹənˈmɛntl ˈpɹəʊtəˌkɒl/

زمرے:

protocol