Perbuatan melawan hukum notaris dalam akta pengikatan jual-beli (APJB) dengan blanko kosong : studi kasus putusan mahkamah agung Republikm Indonesia N0.211 K/Pdt/2006 = Unlawful acts of notary in the deed of sale and purchase with a blank form (case study supreme court of the Republic of Indonesia Number 211 K/Pdt/2006).