DEY ALOKE. (1986). THEORY OF BLOCK DESIGNS. WILEY EASTERN LTD.
Lua i Stíl Chicago (17ú heag.)DEY ALOKE. THEORY OF BLOCK DESIGNS. NEW DELHI: WILEY EASTERN LTD, 1986.
Lua MLA (9ú heag.)DEY ALOKE. THEORY OF BLOCK DESIGNS. WILEY EASTERN LTD, 1986.
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