I. B. Djon Li Ndjock
- Partial replacement of low reactive volcanic ash by cassava peel ash in the synthesis of volcanic ash based geopolymer. Dans: Construction and Building Materials, v. 227 (décembre 2019). (2019):
- Partial replacement of volcanic ash by bauxite and calcined oyster shell in the synthesis of volcanic ash-based geopolymers. Dans: Construction and Building Materials, v. 113 (juin 2016). (2016):