The aim of this study is to describe the error of affixed word formation by Thai students who speak Malay as their mother tongue that covers (1) the error of affixed word formation as viewed from context sentence. (2) the error of affixed word formation as viewed from the natural use of words. This research design being use in this study is qualitative research design and the research... https://thebrickes.shop/product-category/potty-training/