Tanya Niyamapa, Chairat Rangdang, Toshihiko Izawa, Kunihiko Maeoka. Study on Soil Preparation During Plantation of Multiple Cropping. Agr. Nat. Resour. [internet]. 1992 Dec. 31 [cited 2026 Sep. 17];26(5):91-6. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/241878