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 The Effectiveness of Promotion Expenses of Universitas Advent Indonesia on Gathering Market Size and Market Share from SDA Feeders’ Schools (Senior High Schools) in West Indonesia.
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Available at: &lt;<a href="https://ejournal.unklab.ac.id/index.php/8ISCBU/article/view/646" target="_new">https://ejournal.unklab.ac.id/index.php/8ISCBU/article/view/646</a>&gt;. Date accessed: 11 oct. 2025.