Biodegradability of starch nanocomposite films containing different concentrations of chitosan nanoparticles in compost and planting soils by Othman, Siti Hajar, Ronzi, Nur Diana Arisya, Shapi’i, Ruzanna Ahmad, Dun, Mao, Ariffin, Siti Hajar, Mohammed, Mohd Afandi P.