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| opdelt test (A method of marketing testing by which a baseline control sample is compared to a variety of single-variable test samples to improve response rates) | |||
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split testing : 1 фраза в 1 тематиці |
| Маркетинг | 1 |
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| |||
| opdelt test (A method of marketing testing by which a baseline control sample is compared to a variety of single-variable test samples to improve response rates) | |||
|
split testing : 1 фраза в 1 тематиці |
| Маркетинг | 1 |