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Kalangi, J.S., Tulungen, F.R., Pangkey, D.A., Lintong, E., Gumerung, J. and Kalalo, R.R. 2022. Optimization of Promotional Marketing Strategies on Consumer Buying Interest in Okoy Flower Garden Restaurant. Interdisciplinary Social Studies. 1, 10 (Jul. 2022), 1296–1306. DOI:https://doi.org/10.55324/iss.v1i10.267.