An agro economic survey of rubber smallholders in West Johor - Chua, Piak Chwee; Rancangan Pembangunan Pertanian Bersepadu Johor Barat; Malaysia. Kementerian Pertanian (Batu Pahat : Pejabat Pengarah, Rancangan Pembangunan Pertanian Bersepadu Johor Barat, Kementerian Pertanian Malaysia, 1980)
Keywords: Rubber -- Johor; Farmers -- Socioeconomic status; Agricultural productivity