"The roots of education are bitter, but the fruit is sweet." — Aristotle
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В.Б.Брюхин
Stephen R. Bolsover
A.Dawn Tamarkin
F.Robbimova
A.T.G`ofurov va boshqlar
A.T.G`ofurov
N.Sh.Tulyaganova
P.Mirxamidova
V.Fayziyev
V.B. F ayziyev , A.H. Vahobov
V.B. Fayziyev, A.H. Vahobov
J.O.Tolipova
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