Suwannasri, P., K. Chotikadachanarong, S. Patcharatanaroach, S. Kankhat, and M. Bungcoment. “MULTIMEDIA DEVELOPMENT OF TISSUE CULTURE TECHNIQUES IN HIPPEASTRUM”. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences, vol. 15, no. 1, Nov. 2019, pp. 68-80, https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/195500.