Game da ISA Sign Expo Kusan shekaru 70, ISA International Sign Expo ta kasance tana karya bayanan tallace-tallace da halarta.Haɗa sama da abokan aiki 20,000 kuma bincika kusan masu samar da ilimi kusan 600 waɗanda suka taru a wannan taron mai kayatarwa koyaushe.
Lokacin aikawa: Satumba-10-2021
