The 6 Ps and SLB: Improve your English Gallery The 6 Ps and SLB: Improve your English By SLB Admin|2015-11-29T23:14:08+01:0029 November 2015|SLB: Other Services| Alan Ritchie talks about SLB in-company classes “We’re pitching [...] > Read More Comments Off on The 6 Ps and SLB: Improve your English