Weedy rice (Oryza sativa f. spontanea) problems and management in wet direct-seeded rice (O. sativa L) in the Mekong Delta of Vietnam - Chauhan, Bhagirath Singh; Namuco, Ofelia S.; Ocampo, Leo Angelo L.; Son, Tran thi Ngoc; Thu, Tran thi Anh; Nam, Nguyan Ngoc; Phuong, Le Ngoc; Bajwa, Ali Ahsan (Elsevier, 2015)