This research summary presents discussions from two regional workshops held in Indonesia and Pakistan in 1989 and 1991, respectively. The focus of the workshops was to formulate prototype instructional materials of population education core messages for primary education, literacy and continuing education programs in the Asia Pacific Programme of Education for All (APPEAL), under UNESCO sponsorship. Chapter 1, "Curriculum Materials Development: Guidelines and Instruments," includes the following sections: (1) "The Integration of Population Education"; (2) "Considerations in Determining Population Education Learning Requirements"; (3) "Issues and Problems in the Preparation and Use of Population education Materials"; (4) "Guidelines in Curriculum and Materials Development"; (5)"Linkages with Different Development Sectors"; (6) "Sample Evaluation Instruments"; (7) "ACCU Experience on Teaching-Learning Materials Development"; and (8) "List of Reference Materials." Chapter 2, "Population Education Core Messages for Integration into APPEAL," contains the following sections: (1) "Population Education Core Messages Developed in Indonesia"; and (2) "Population Education Core Messages Developed in Pakistan." Appendices contain lists of participants for the two workshops. (EH)