සෙවුම් ප්‍රතිඵල

හැරීමට හේතු වූ අතර මෙහෙයුම 1967 පෙබරවාරි 21 දිනට නැවත සැලසුම් කරන ලදී. Ertel, Ivan D.; Newkirk, Roland W.; et al. (1969–1978). "Part 1 (H): Preparation for...

Rubinfeld (2001). Microeconomics (5th ed.). Prentice-Hall. ISBN 1405893400. Png, Ivan (1999). Managerial Economics. Blackwell. ISBN 9780631225164. සම්ප්‍රවේශය...

ABC-CLIO. p. 597. ISBN 978-1-85109-441-7. Hrbek, Ivan (1992). Africa from the seventh to the eleventh Century. James Currey Publishers. p. 254. ISBN 978-0-85255-093-9...

ABC-CLIO. p. 597. ISBN 978-1-85109-441-7. Hrbek, Ivan (1992). Africa from the seventh to the eleventh Century. James Currey Publishers. p. 254. ISBN 978-0-85255-093-9...

Press. p. 132. ISBN 978-1107025929. Cook, Bernard A.; Cook, Bernard Anthony (2001). Europe Since 1945: An Encyclopedia, Volume 2. Taylor & Francis. p. 1075...

Cambridge University Press, 1994, p. 56. Marie Boas, Robert Boyle and Seventeenth-century Chemistry, CUP Archive, 1958, p. 43. O'Brien, John J. (1965). "Samuel...