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The John Turner Archive: Pozzolana Cement Project (PPCT), Ruhengeri. A local alternative to Portland cement in Rwanda. Building Community: a third world case book, Ed. Bertha Turner, Building Community Books, London, 1988
The John Turner Archive: Pozzolana Cement Project (PPCT), Ruhengeri. A local alternative to Portland cement in Rwanda. Building Community: a third world case book, Ed. Bertha Turner, Building Community Books, London, 1988
The John Turner Archive: Pozzolana Cement Project (PPCT), Ruhengeri. A local alternative to Portland cement in Rwanda. Building Community: a third world case book, Ed. Bertha Turner, Building Community Books, London, 1988
The John Turner Archive: Pozzolana Cement Project (PPCT), Ruhengeri. A local alternative to Portland cement in Rwanda. Building Community: a third world case book, Ed. Bertha Turner, Building Community Books, London, 1988
The John Turner Archive: Pozzolana Cement Project (PPCT), Ruhengeri. A local alternative to Portland cement in Rwanda. Building Community: a third world case book, Ed. Bertha Turner, Building Community Books, London, 1988
The John Turner Archive: Pozzolana Cement Project (PPCT), Ruhengeri. A local alternative to Portland cement in Rwanda. Building Community: a third world case book, Ed. Bertha Turner, Building Community Books, London, 1988
The John Turner Archive: Pozzolana Cement Project (PPCT), Ruhengeri. A local alternative to Portland cement in Rwanda. Building Community: a third world case book, Ed. Bertha Turner, Building Community Books, London, 1988
The John Turner Archive: Pozzolana Cement Project (PPCT), Ruhengeri. A local alternative to Portland cement in Rwanda. Building Community: a third world case book, Ed. Bertha Turner, Building Community Books, London, 1988
