Items where Author is "Ratna, Purwaningsih"
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Conference or Workshop Item
Afrida, Hafshalya Riandini and Ratna, Purwaningsih and Manik, Mahachandra (2024) Analisis persepsi dan preferensi terhadap variasi jenis iklan produk. In: Prosiding Seminar Nasional Perhimpunan Ergonomi Indonesia (PEI), 8-9 Agustus 2024, Bandung.