Krishna Prasad Paudel, Sutevee Sukprakarn, Krung Sidathani, Yongyut Osotsapar. Effects of Organic Manures on Production of Lettuce (Lactuca sativa L.) in Reference to Chemical Fertilizer. Agr. Nat. Resour. [internet]. 2004 Feb. 28 [cited 2026 Sep. 17];38(1):31-7. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/242924