APM1514-2014-10-E-1 APM1514-2015-06-E-1 APM1514-2015-10-E-1 APM1514-2016-6-E-1 APM1514-2016-10-E-1 APM1514-2017-10-E-1 APM1514-2018-6-E-1 sol_apm1514 study exercises Tutorial letter 10232013 101_2018_3_b apm1514_2011_tl_003_1_b APM1514_2018_TL_201_2_b APM1514_2018_TL_202_2_b APM1514_TL_203_2018_2_b APM1514-2013-6-E-1 APM1514-2013-10-E-1