E. N. Haulin

Clay makabaye in the far north Cameroon: study chemical and mineralogical depth

J. Ndjaka, F. T. Nya, E. N. Haulin, 2015 .

Compressed Bricks Made of Makabaye and Pitoaré Clay: Implementation and Production

J. Ndjaka, F. T. Nya, E. N. Haulin, 2015 .