O. Chatchawankanphanich, S. Kladpan, N. Pipatthanvong, K. Kittipakorn, and W. Srithongchai, “Occurrence of Non-infectious Phyllody Disease of Strawberry in Thailand”, Agr. Nat. Resour., vol. 34, no. 4, pp. 458–463, Dec. 2000.