Using Mathematics Lessons in Adolescents’ Sex Education
Jaime Cofre, Lúcio S. Macedo, Rodolfo C. Braga, Allef V. P. G. de Moreira, Gustavo R. de Souza, Viviane M. Rodrigues, Ricardo Nascimento, Maria Salete M. Vieira, Evaldo dos Santos

Piracy Challenges in the Gulf of Guinea along the Coast of Ghana, Togo, Benin and Nigeria in the Midst of Its Oil Find—A Case Study of Ghana
Nana Raymond Lawrence Ofosu-Boateng

Review of Recent Developments in Leadership Theories
Kossivi Bodjrenou, Ming Xu

Modernization of Public Transports in Senegal: Case of Ticket Payment Method in Dakar Dem Dikk (3Ds) Buses
Sall Ousmane, Diallo Ousmane

Socio-Economic Barriers against Women Equal Right in the Society (a Case of Bangladesh)
Masuma Akter