Prospect.: intermediate.
Prospect.: upper-intermediate.
Prospects : upper-intermediate : student´s book /
Prospects : upper-intermediate : teacher´s book /
Prospect.: student´s book, beginner.
Prospect.: advanced, cassette 1.
Prospects : super advenced : student´s book /
Prospect.: super advanced, cassette 1.
Prospect.: super advanced, cassette 2.
Urban prospects /
Analytical methods in geochemical prospecting /
Prospects for democracy in Belarus /
Introduction to geophysical prospecting /
Methods of geochemical prospecting : extended abstracts : international symposium on geochemical prospecting /
Geophysical prospecting : official journal of European Association of Exploration Geophysicists.
Total English pre-intermediate /
International expres pre-intermediate Class CD 1 of 2 Units 1-6
International expres pre-intermediate Class CD 2 of 2 Units 7-12
Wheat Studies-Retrospect and Prospects.
USSR energy efficiency and prospects /
Prospect.: pre-intermediate.
Vzryvčatyje veščestva, primeňajemyje v ugoľnoj promyšlennosti Anglii.