Fauziah Che Leh, Hairy Ibrahim, Khairi Ariffin, Ramli Saadon, Sahul Hamid Mohamed Maiddin,. 2019. «The Paddy Cultivation in District of Lower Perak: Traditional Heritage Until 1957». Opción 35 (agosto), 817-31. https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/24554.