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CTBTO Head Lassina Zerbo on the CTBTO's readiness to detect nuclear tests
CTBTO Head Lassina Zerbo on the CTBTO's readiness to detect nuclear tests
One－on－one with Executive Secretary of CTBTO， Lassina ZERBO
Lassina Zerbo - CTBT 20 Years 20 Voices
Q&A: What the international community needs to do to bring the CTBT into force
CTBTO secretary-general on North Korea's latest test
Disarmament Talk with CTBTO Executive Secretary Dr Lassina Zerbo
Dr. Lassina Zerbo's opening speech to the 2015 NPT Review Conference simulation
One Year after Fukushima - Introductory Remarks by Dr. Annika Thunborg and Dr. Lassina Zerbo
CTBTO Executive Secretary Zerbo: Importance of the entry into force of the CTBT
Banning Nuclear Tests: A New Dynamic?
CTBTO Press Conference on Declared North Korean Nuclear Test
