1.
U. Silas N, Faustin DH, Marien DN, Paul DMJ. Identification of possible strategies for implementing PBL at INES-Ruhengeri: A preliminary study. Int. j. soc. sci. humanit. invent. [Internet]. 2018 Jun. 30 [cited 2024 May 8];5(6):4801-7. Available from: http://valleyinternational.net/index.php/theijsshi/article/view/1268