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Nanda, Nanda and Zainal, Muh. and Hasbi, Andi Rizkiyah (2026) The Effect of Selling Price Perception and Production Costs on the Sales Volume of Patchouli Oil at the Farmer Level in Porehu District. Pengaruh Persepsi Harga Jual dan Biaya Produksi terhadap Volume Penjualan Minyak Nilam (Patchouli Oil) Tingkat Petani di Kecamatan Porehu, 7 (1). pp. 77-84. ISSN 2721-2637