Gnawali, G. N.; Shrestha, S. P.; Poudyal, K. N.; Karki, I. B.; Koirala, I. Study on the Effect of Growth-Time and Seed-Layers of Zinc Oxide Nanostructured Thin Film Prepared by the Hydrothermal Method for Liquefied Petroleum Gas Sensor Application: Retracted from Journal Due to Conflict of Interest Between the Authors. BIBECHANA 2018, 16, 145-153.