Sukunya Yampracha. 2006. Dissolution and availability of rock phosphates for rice cultivation in acid sulfate soils of Thailand. Field of Study Soils Science, Kasetsart University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.685

Sukunya Yampracha. Dissolution and availability of rock phosphates for rice cultivation in acid sulfate soils of Thailand. . Bangkok:Kasetsart University, 2006. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.685

Sukunya Yampracha. (2006) Dissolution and availability of rock phosphates for rice cultivation in acid sulfate soils of Thailand . Kasetsart University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.685