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CTBTO Head Lassina Zerbo Addresses 75th United Nations General Assembly, 2020
CTBTO Executive Secretary addresses UN General Assembly
The CTBT Friends Issue Global Call to End Nuclear Testing
Lassina Zerbo - CTBT 20 Years 20 Voices
Dr Lassina Zerbo, Executive Secretary, CTBTO Preparatory Commission on Nuclear Testing
In Conversation with... Dr Lassina Zerbo (Chief Exec, CTBTO)
CTBTO Head Lassina Zerbo Briefs Press in Moscow, 2 October 2013
CTBTO reaction to latest NKorea nuclear test
CTBTO willing to provide technological aid to examine the closure of North Korea's nuclear test site
Live with Lassina Zerbo, Exec. Secretary of Vienna-based CTBTO
China’s role in nuclear test ban: Exclusive interview with Dr. Lassina Zerbo
Statement by Comprehensive Nuclear-Test-Ban Treaty Organization at CSP-22
