alexander astin
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6
(FIVE YEARS 1)
H-INDEX
3
(FIVE YEARS 0)
2021 ◽
pp. 29-34
2020 ◽
pp. 68-73
2003 ◽
Vol 8
(5)
◽
pp. 11-18
◽
1996 ◽
Vol 1
(1)
◽
pp. 14-19
◽
1986 ◽
Vol 65
(2)
◽
pp. 92-95
◽