Artha Paulina Simamora and Mangasi Alion Marpaung (2025) “ANALYSIS OF ELEMENTAL DIFFERENCES IN GREEN SPINACH (AMARANTHUS VIRIDIS) BETWEEN CONVENTIONAL AND HYDROPONIC CULTIVATION METHODS USING LASER-INDUCED BREAKDOWN SPECTROSCOPY (LIBS) METHOD: ANALISIS PERBEDAAN UNSUR DALAM BAYAM HIJAU (AMARANTHUS VIRIDIS) ANTARA METODE BUDIDAYA KONVENSIONAL DAN HIDROPONIK DENGAN MENGGUNAKAN METODE LASER INDUCED BREAKDOWN SPECTROSCOPY (LIBS)”, PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL), 13(1), pp. FA–108. doi: 10.21009/03.1301.FA15.