Transitioning SQL to dplyr: R Data Transformation by Djoni Darmawikarta (English

Transitioning SQL to Dplyr : R Data Transformation, Paperback by Darmawikarta...

IBM DB2 SQL for Beginners: Practical Tutorial by Examples by Darmawikarta, Djoni

IBM DB2 SQL For Beginners: Practical Tutorial By Examples by Djoni Darmawikarta

Data Modeling Round Trip Engineering Using Oracle Data Modeler by Djoni Darmawik

One Rule Predictive Modelling in R Tutorial for Beginners by Djoni Darmawikarta

Oracle Stored Programs for Beginners, Paperback by Darmawikarta, Djoni, Like ...