Kirkman triple system
type: Concept
broader: Steiner triple system
preferred label: دستگاه سه گانه کرکمن @fa
related: Kirkman schoolgirls problem
related: balanced incomplete block design

Kirkman schoolgirls problem
type: Concept
preferred label: مسئله دخترمدرسه‌ای‌های کرکمن @fa
related: Kirkman triple system

Steiner triple system
type: Concept
narrower: Kirkman triple system
preferred label: دستگاه سه گانه اشتاینر @fa

balanced incomplete block design
type: Concept
preferred label: طرح بلوکی ناکامل متعادل @fa
related: Kirkman triple system