Pornpapatsorn Princhankol and  Kannika Udnunkarn,  Online Learning Activities Kit on Plants in Thai Literature in Compliance with the School Botanical Garden of Plant Genetic Conservation Project under the Royal Initiative of Her Royal Highness Princess Maha Chakri Sirindhorn.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2012, vol. 61(1). 31 - 34
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/15318.