[1] Harder, J.: ASEAN cement industry on the upswing. ZKG International 12/2010,pp. 38-48

[2] Harder, J.: Indonesia at the crossroads. ZKG International 9/2014, pp. 40-46

[3] Harder, J.: Cement industry in Vietnam facing big surplus capacities
ZKG International 3/2010, pp. 42-51

[4] de Laubier, R. et al.: The Trillion Dollar Plan for the New Silk Road – What China’s
One Belt Road Initiative means for the Construction and Building Materials Industry. The Boston Consulting Group, Inc., 2018