✓

@book{book_1797601,
    title = {Linguaphone Kurs Języka Polskiego (Handbook, Textbook, Exercises)},
    author = {Seidler Alina and Jastrzębska Anna},
    publisher = {},
    isbn = {},
    year = {},
    series = {},
    edition = {},
    volume = {},
    url = {http://gen.lib.rus.ec/book/index.php?md5=9059afd64f99c7340d99edc8e35fba4c},
    date-added = {2024-4-21 7:55:47 +0100}
}

@book{book_1797601, title = {Linguaphone Kurs Języka Polskiego (Handbook, Textbook, Exercises)}, author = {Seidler Alina and Jastrzębska Anna}, publisher = {}, isbn = {}, year = {}, series = {}, edition = {}, volume = {}, url = {http://gen.lib.rus.ec/book/index.php?md5=9059afd64f99c7340d99edc8e35fba4c}, date-added = {2024-4-21 7:55:47 +0100} }