Kana L, Mounchikpou L. Organisational pilotage and socio spatial configuration of the preparatory groups in the City of Yaoundé (Cameroon). JoQiE [Internet]. 2024 May 11 [cited 2025 Jul. 9];14(23):155-66. Available from: https://joqie.org/index.php/joqie/article/view/429