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A Fortnightly Journal of Research
ISSN 0011-3891
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Issues in Volume 49, 1980
Issue 1
05 January, 1980
p. 1-41
Issue 2
20 January, 1980
p. 44-86
Issue 3
05 February, 1980
p. 87-122
Issue 4
20 February, 1980
p. 123-165
Issue 5
05 March, 1980
p. 167-209
Issue 6
20 March, 1980
p. 211-254
Issue 7
05 April, 1980
p. 255-294
Issue 8
20 April, 1980
p. 295-334
Issue 9
05 May, 1980
p. 335-374
Issue 10
20 May, 1980
p. 375-414
Issue 11
05 June, 1980
p. 415-454
Issue 12
20 June, 1980
p. 454-494
Issue 13
05 June, 1980
p. 495-532
Issue 14
20 June, 1980
p. 533-570
Issue 15
05 July, 1980
p. 571-608
Issue 16
20 July, 1980
p. 609-648
Issue 17
05 August, 1980
p. 649-686
Issue 18
20 August, 1980
p. 687-723
Issue 19
05 October, 1980
p. 725-761
Issue 20
20 October, 1980
p. 763-802
Issue 21
05 November, 1980
p. 843-880
Issue 22
20 November, 1980
p. 843-880
Issue 23
05 December, 1980
p. 881-920
Issue 24
20 December, 1980
p. 921-957
Current Issue
Volume 125
Issue 6, 2023