TITANIA NANOTUBES (TNTS) PREPARED THROUGH THE COMPLEX COMPOUND OF GALLIC ACID WITH TITANIUM; EXAMINING PHOTOCATALYTIC DEGRADATION OF THE OBTAINED TNTS Статья Absalan Y., Butusov L., Bratchikova I., Gholizadeh M., Kovalchukova O. Arabian Journal of Chemistry. Elsevier B.V.. 2020.