SITTI RAHMAWATI, CYNTHIA LINAYA RADIMAN, MUHAMAD ABDULKADIR MARTOPRAWIRO , SITI NURYANTI. DENSITY FUNCTIONAL THEORY (DFT) AND NATURAL BOND ORBITAL (NBO) INVESTIGATION OF INTRA/INTERMOLECULAR HYDROGEN BOND INTERACTION IN SULFONATED NATA-DE COCO-WATER (NDCS-(H2O)N). International Journal of Advanced Science and Technology, v. 29, n. 5s, p. 987 - 998, 4 Apr. 2020.