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  ______     ___                _____     _____   
 /_____//   / _ \\    ____     |  ___||  / ____|| 
 `____ `   / //\ \\  |    \\   | ||__   / //---`' 
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 `__ `    |_||  |_|| |  __//   |_____||  \_____|| 
 /_//     `-`   `-`  |_|`-`    `-----`    `----`  
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Text this: Past, current, and future research on microalga-derived biodiesel : a critical review and bibliometric analysis