Pascal Mutombo, Crispin Muleba. Imprecision in the questions formulated by the chemistry teachers of the Kamina I subdivision and their impact on the performance of students in the science section. er [Internet]. 2024Jul.8 [cited 2025Dec.7];10(2):45-9. Available from: http://13.234.104.160/index.php/er/article/view/6111