68 DAFTAR PUSTAKA Loomis, Andrew. (1951). Successful Drawing
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68 DAFTAR PUSTAKA Loomis, Andrew. (1951). Successful Drawing, The Viking Press, New York Guitton, Pedro. (2006). DNA Identity, Page One Publishing Private Limited, Singapore Samara, Timothy. (2007). Making and Breaking The Grid, Page One Publishing Private Limited, Singapore Jury, David. (2004). About Face; Reviving The Rules Of , Gramedia Pustaka, Jakarta