Nagalingam Karuppiah. (2004). The information-processing demand of stoichiometric problems and its relationship with students' performance based on selected psychometric variables.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nagalingam Karuppiah. The Information-processing Demand of Stoichiometric Problems and Its Relationship with Students' Performance Based on Selected Psychometric Variables. 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nagalingam Karuppiah. The Information-processing Demand of Stoichiometric Problems and Its Relationship with Students' Performance Based on Selected Psychometric Variables. 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.