OPEN University of Sri Lanka
Course of study leading to the degree of bachelor of science level 3 BTU 1201:pl - 2nd ed. - Nugegoda The Open University of Sri Lanka 1995 - 96 p.
139135
589.9 / OPE
Course of study leading to the degree of bachelor of science level 3 BTU 1201:pl - 2nd ed. - Nugegoda The Open University of Sri Lanka 1995 - 96 p.
139135
589.9 / OPE