• محمد دریایی   mhdaryai@

    1399/06/03 ساعت 18:56

    In the group statments at ۵۵th WGB, States Signatories to the #CTBT expressed their appreciation to @SinaZerbo & PTS staff for high diligence & achievements in the maintenance & operation of the #CTBTO verification system despite the challenges imposed by the #COVID۱۹.