Kokolo, Bertrand
Attéké Nkoulémbéné, Christiane
Ibrahim, Brama
M’Batchi, Bertrand
Blatrix, Rumsais
Funding for this research was provided by:
National Stock Exchange Agency of Gabon
Article History
Received: 26 August 2020
Accepted: 11 November 2020
First Online: 1 December 2020
Competing interests
: The authors declare no competing interests.