Huỳnh Xuân Trường 2024. Synthesis of nano materials on the base of rice husk ash and CeO2 for application as a growth stimulant for bell peeppers plan (capsicum annuum L.). Hue University Journal of Science: Natural Science. 133, 1C (Sep. 2024). DOI:https://doi.org/10.26459/hueunijns.v133i1C.7455.