UNESCO launch of the International Year of the Periodic Table of Chemical Elements Posted: January 28, 2019 by dlnigeria By m_adjiwanou Language English …read more Source:: UNESCO launch of the International Year of the Periodic Table of Chemical Elements Category: UNESCO News ← 24 000 students trained during Zimbabwe Africa Code Week Director-General condemns killing of news photographer Mohamed Ben Khalifa in Libya →
UNESCO launch of the International Year of the Periodic Table of Chemical Elements
Posted: January 28, 2019 by dlnigeria
By m_adjiwanou
English
…read more
Source:: UNESCO launch of the International Year of the Periodic Table of Chemical Elements
Category: UNESCO News