MANTRA: a shell for hybrid knowledge representation. - Jacques Calmet; Indra A. Tjandra; Guilherme Bittencourt (ICTAI, 1991)

Representation of Mathematical Knowledge. - Jacques Calmet; Indra A. Tjandra (ISMIS, 1991)

Unified Domains and Abstract Computational Structures. - Jacques Calmet; Karsten Homann; Indra A. Tjandra (AISMC, 1992)

A Unified-Algebra-Based Specification Language for Symbolic Computing. - Jacques Calmet; Indra A. Tjandra (DISCO, 1993)

Spezifikation mathematischer Rechenstrukturen und Typenpolymorphismen in der Computeralgebra. - Indra A. Tjandra (1993)

Building Bridges Between Knowledge Representation and Algebraic Specification. - Jacques Calmet; Indra A. Tjandra (ISMIS, 1994)

Analyzing the logical structure of data flow diagrams in software documents. - Gregory Butler; Peter Grogono; Rajjan Shinghal; Indra A. Tjandra (ICDAR, 1995)

Retrieving Information from Data Flow Diagrams. - Gregory Butler; Peter Grogono; Rajjan Shinghal; Indra A. Tjandra (WCRE, 1995)

Formal Representation of Reusable Software Modules. - Indra A. Tjandra; Gregory Butler (WCRE, 1995)

Document Recognition, Semantics, and Symbolic Reasoning in Reverse Engineering of Software. - Gregory Butler; Peter Grogono; Rajjan Shinghal; Indra A. Tjandra (AISMC, 1996)

Modeling Distributed Systems with Assembly Line Pattern and CCS. - Indra A. Tjandra; Jinxia Wang (PDPTA, 1999)