Surya Ningsih, D., and S. . Sabrina Salquara. “A ANALYSIS OF ECONOMIC EFFICIENCY AND PRODUCTIVITY OF MOON ORCHID PLANTS (Phalaenopsis Amabilis L.): Case Study: Bangun Sari Village, Tanjung Morawa Sub-District, Deli Serdang Regency”. OrchidAgri, vol. 5, no. 2, Aug. 2025, pp. 30-35, doi:10.35138/orchidagri.v5i2.1152.