Michael Kölling The Problem of Teaching Object-Oriented Programming, Part 2: Environments. [Citation Graph (0, 0)][DBLP] JOOP, 1999, v:11, n:9, pp:6-12 [Journal]
Won Kim I/O Problems in Preparing Data for Data Warehousing and Data Mining, Part 1. [Citation Graph (0, 0)][DBLP] JOOP, 1999, v:11, n:9, pp:13-14 [Journal]
Chung-Yeung Pang A Pattern of Inheritance and Polymorphism for Persistent Objects Stored in a Relational Database. [Citation Graph (0, 0)][DBLP] JOOP, 1999, v:11, n:9, pp:41-44 [Journal]