Jagrapan Piwsaoad และ Chayapat Phusampao. (2022) GREENHOUSE SOLAR DRYER FOR DRYING ANDROGRAPHIS PANICULATA HERB. <i>Life Sciences and Environment Journal</i>, <i>23</i>(2), 324-333.Jagrapan Piwsaoad และ Chayapat Phusampao. "GREENHOUSE SOLAR DRYER FOR DRYING ANDROGRAPHIS PANICULATA HERB". Life Sciences and Environment Journal 23 (2022):324-333.Jagrapan Piwsaoad และ Chayapat Phusampao. GREENHOUSE SOLAR DRYER FOR DRYING ANDROGRAPHIS PANICULATA HERB. Pibulsongkram Rajabhat University:ม.ป.ท. 2022.