Yazar: C. Ryan

Phosgene, COCl2 is a C1 chemical of major industrial importance. The annual production, worldwide, is more than 1 million tons; 90% of which is used in the manufacture of isocyanates and of polyureth …

<div>One of the leading texts in the field, <b>Tourism Management</b> is the ideal introduction to the fundamentals of tourism as you study for a degree, diploma or single module in …

<div>One of the leading texts in the field, <b>Tourism Management</b> is the ideal introduction to the fundamentals of tourism as you study for a degree, diploma or single module in …