John Walker : Tofauti kati ya masahihisho
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d r2.7.1) (roboti Nyongeza: et:John Ernest Walker |
d r2.7.1) (roboti Nyongeza: bg:Джон Уолкър |
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Mstari 12:
[[ar:جون ووكر (كيميائي)]]
[[bg:Джон Уолкър]]
[[ca:John Ernest Walker]]
[[cy:John E. Walker]]
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